TEST CODE: Answer Section
|
|
- Kathleen Merritt
- 8 years ago
- Views:
Transcription
1 ID: A TEST CODE: Answer Section OTHER 1. ANS: A Meters are the unit for distance or length. 2. ANS: D In science Celsius is used instead of Fahrenheit. 3. ANS: B The gram is used for mass. 4. ANS: C The base unit of the metric system is liters for volume. 5. ANS: A i.v. is the presence of fructose in the diet 6. ANS: C the weight gained was a response to the changes in fructose quantities in their diet 7. ANS: D The quntity of water provided was the same to both groups. 1
2 ID: A 8. ANS: A The objective lens is label A. 9. ANS: B The course adjustment knob is labeled B. 10. ANS: B The stage is labeled B. 11. ANS: C The arm is labeled C. MULTIPLE CHOICE 12. ANS: D The independent variable is the light exposure therefore it goes on the x-axis. The dependent variable is the number of organisms present so it should go on the y-axis DIF: M OBJ: Collecting Data/Data Analysis STA: 6.2A, 6.2C, 6.2E, 6.3A, 7.2A, 7.2C, 7.2E, 7.3A, 8.2A, 8.2C, 8.2E, 8.3A TOP: introduction to science: collecting data/data analysis 13. ANS: B a. constant b. correct. c. the closest distractor is c, which does not account for uv light. d. dependent variable e. component of dependent variable DIF: H OBJ: Methods of Scientific Inquiry 2
3 ID: A 14. ANS: D a. constant b. independent variable c. close to independent variable d. correct e. constant DIF: H OBJ: Methods of Scientific Inquiry 15. ANS: B control does not have iv applied, therefore, protozoa with 0% UV DIF: H OBJ: Methods of Scientific Inquiry TOP: introduction to science: methods of scientific inquiry 16. ANS: A slope decreases from left to right, negative correlation. DIF: M OBJ: Collecting Data/Data Analysis STA: 6.2C, 6.2D, 6.2E, 7.2C, 7.2D, 7.2E TOP: introduction to science: collecting data/data analysis 17. ANS: B thumb length is on X (hence I.V.) and number of wins is on Y (hence D.V.). DIF: H OBJ: Methods of Scientific Inquiry STA: 6.2C, 6.2D, 6.2E, 7.2C, 7.2D, 7.2E 18. ANS: A smallest thumbs had greatest number of wins. DIF: M OBJ: Methods of Scientific Inquiry STA: 6.2C, 6.2D, 6.2E, 7.2C, 7.2D, 7.2E 19. ANS: A A. i change the i.v. DIF: E OBJ: Methods of Scientific Inquiry 3
4 ID: A 20. ANS: B b. science is problem solving. all science begins with questions. DIF: E OBJ: Methods of Scientific Inquiry: Scientific Method 21. ANS: C largest number of ppl. DIF: M OBJ: Collecting Data/Data Analysis STA: 6.2C, 6.2D, 6.2E, 7.2C, 7.2D, 7.2E TOP: introduction to science: collecting data/data analysis 22. ANS: A only year all 3 pops were below 500, 000. DIF: E OBJ: Collecting Data/Data Analysis STA: 6.2C, 6.2D, 6.2E, 7.2C, 7.2D, 7.2E TOP: introduction to science: collecting data/data analysis 23. ANS: A an idea only becomes a theory after proper testing and validation. DIF: M OBJ: Methods of Scientific Inquiry 24. ANS: C 83 is the best possible answer. The student has to interpolate a point at that time. DIF: M OBJ: Collecting Data/Data Analysis STA: 6.2C, 7.2C, 8.2C, 8.4B 25. ANS: A DIF: H OBJ: Collecting Data/Data Analysis STA: 6.2C, 7.2C, 8.2C, 8.4B 26. ANS: C Any measurement should be taken out to one decimal past the accuracy of the measuring device. DIF: M OBJ: Collecting Data/Data Analysis 27. ANS: B The US flag starts at 1 cm, not at 0. The other end of the flag is at 4.5, meaning the actual distance is 3.5 cm. DIF: E OBJ: Collecting Data/Data Analysis STA: 6.2B, 7.2B, 8.2B 4
5 ID: A 28. ANS: D The Texas flag measures approximately 28 mm, however a measurement must be taken out to one decimal place past the accuracy of the measuring device. The correct answer is 28.0 mm. DIF: M OBJ: Collecting Data/Data Analysis STA: 6.2B, 7.2B, 8.2B 29. ANS: C The story never says she wrote out her problem or hypothesis which most students don t do either. It also never has her put on safety goggles or get her teachers approval. She obviously got her materials if she did the lab. DIF: M OBJ: Classroom Rules and Laboratory Safety STA: 6.1A, 7.1A, 8.1A, 6.2A, 7.2A, 8.2A TOP: Introduction to the Science Classroom: Classroom Rules and laboratory safety 30. ANS: D Megan expected it to work and it did, the baking soda and acid caused the balloon to fizz. D puts that into and if/then statement. DIF: E OBJ: Methods of Scientific Inquiry: Scientific Method STA: 6.2A, 7.2A, 8.2A TOP: Introduction to the Science Classroom: Methods of scientific inquiry: scientific method 31. ANS: C Results is the only component of the scienctific method that does not involve interpretation or guessing. DIF: M OBJ: Methods of Scientific Inquiry: Scientific Method STA: 6.2, 7.2, 8.2 TOP: Introduction to the Science Classroom: Methods of scientific inquiry: scientific method 32. ANS: B Megan used an Erlenmeyer flask (II) DIF: M OBJ: Use of Lab Equipment TOP: Introduction to the Science Classroom: Use of lab equipment 33. ANS: B only a graduated cylinder will measure volume accurately. You can sometimes use a graduated pipet, but the one pictured is not graduated.. DIF: M OBJ: Use of Lab Equipment TOP: Introduction to the Science Classroom: Use of lab equipmentintroduction to the Science Classroom: Collecting Data/Data Analysis 34. ANS: A only a looks like and is an beaker. DIF: E OBJ: Use of Lab Equipment TOP: Introduction to the Science Classroom: Use of lab equipment 5
6 ID: A 35. ANS: D never use arrows. DIF: M OBJ: Biological Diagram TOP: Intro to Science: bio diagrams 6
7 ID: B TEST CODE: Answer Section OTHER 1. ANS: B The stage is labeled B. 2. ANS: A The objective lens is label A. 3. ANS: B The course adjustment knob is labeled B. 4. ANS: C The arm is labeled C. 5. ANS: A Meters are the unit for distance or length. 6. ANS: D In science Celsius is used instead of Fahrenheit. 7. ANS: B The gram is used for mass. 1
8 ID: B 8. ANS: C The base unit of the metric system is liters for volume. 9. ANS: A i.v. is the presence of fructose in the diet 10. ANS: C the weight gained was a response to the changes in fructose quantities in their diet 11. ANS: D The quntity of water provided was the same to both groups. MULTIPLE CHOICE 12. ANS: C Any measurement should be taken out to one decimal past the accuracy of the measuring device. DIF: M OBJ: Collecting Data/Data Analysis 13. ANS: B only a graduated cylinder will measure volume accurately. You can sometimes use a graduated pipet, but the one pictured is not graduated.. DIF: M OBJ: Use of Lab Equipment TOP: Introduction to the Science Classroom: Use of lab equipmentintroduction to the Science Classroom: Collecting Data/Data Analysis 2
9 ID: B 14. ANS: D a. constant b. independent variable c. close to independent variable d. correct e. constant DIF: H OBJ: Methods of Scientific Inquiry 15. ANS: B a. constant b. correct. c. the closest distractor is c, which does not account for uv light. d. dependent variable e. component of dependent variable DIF: H OBJ: Methods of Scientific Inquiry 16. ANS: B control does not have iv applied, therefore, protozoa with 0% UV DIF: H OBJ: Methods of Scientific Inquiry TOP: introduction to science: methods of scientific inquiry 17. ANS: D The independent variable is the light exposure therefore it goes on the x-axis. The dependent variable is the number of organisms present so it should go on the y-axis DIF: M OBJ: Collecting Data/Data Analysis STA: 6.2A, 6.2C, 6.2E, 6.3A, 7.2A, 7.2C, 7.2E, 7.3A, 8.2A, 8.2C, 8.2E, 8.3A TOP: introduction to science: collecting data/data analysis 18. ANS: A an idea only becomes a theory after proper testing and validation. DIF: M OBJ: Methods of Scientific Inquiry 19. ANS: A only year all 3 pops were below 500, 000. DIF: E OBJ: Collecting Data/Data Analysis STA: 6.2C, 6.2D, 6.2E, 7.2C, 7.2D, 7.2E TOP: introduction to science: collecting data/data analysis 3
10 ID: B 20. ANS: C largest number of ppl. DIF: M OBJ: Collecting Data/Data Analysis STA: 6.2C, 6.2D, 6.2E, 7.2C, 7.2D, 7.2E TOP: introduction to science: collecting data/data analysis 21. ANS: A slope decreases from left to right, negative correlation. DIF: M OBJ: Collecting Data/Data Analysis STA: 6.2C, 6.2D, 6.2E, 7.2C, 7.2D, 7.2E TOP: introduction to science: collecting data/data analysis 22. ANS: A smallest thumbs had greatest number of wins. DIF: M OBJ: Methods of Scientific Inquiry STA: 6.2C, 6.2D, 6.2E, 7.2C, 7.2D, 7.2E 23. ANS: B thumb length is on X (hence I.V.) and number of wins is on Y (hence D.V.). DIF: H OBJ: Methods of Scientific Inquiry STA: 6.2C, 6.2D, 6.2E, 7.2C, 7.2D, 7.2E 24. ANS: B Megan used an Erlenmeyer flask (II) DIF: M OBJ: Use of Lab Equipment TOP: Introduction to the Science Classroom: Use of lab equipment 25. ANS: C 83 is the best possible answer. The student has to interpolate a point at that time. DIF: M OBJ: Collecting Data/Data Analysis STA: 6.2C, 7.2C, 8.2C, 8.4B 26. ANS: A DIF: H OBJ: Collecting Data/Data Analysis STA: 6.2C, 7.2C, 8.2C, 8.4B 27. ANS: B b. science is problem solving. all science begins with questions. DIF: E OBJ: Methods of Scientific Inquiry: Scientific Method 4
11 ID: B 28. ANS: D Megan expected it to work and it did, the baking soda and acid caused the balloon to fizz. D puts that into and if/then statement. DIF: E OBJ: Methods of Scientific Inquiry: Scientific Method STA: 6.2A, 7.2A, 8.2A TOP: Introduction to the Science Classroom: Methods of scientific inquiry: scientific method 29. ANS: C The story never says she wrote out her problem or hypothesis which most students don t do either. It also never has her put on safety goggles or get her teachers approval. She obviously got her materials if she did the lab. DIF: M OBJ: Classroom Rules and Laboratory Safety STA: 6.1A, 7.1A, 8.1A, 6.2A, 7.2A, 8.2A TOP: Introduction to the Science Classroom: Classroom Rules and laboratory safety 30. ANS: D never use arrows. DIF: M OBJ: Biological Diagram TOP: Intro to Science: bio diagrams 31. ANS: C Results is the only component of the scienctific method that does not involve interpretation or guessing. DIF: M OBJ: Methods of Scientific Inquiry: Scientific Method STA: 6.2, 7.2, 8.2 TOP: Introduction to the Science Classroom: Methods of scientific inquiry: scientific method 32. ANS: A A. i change the i.v. DIF: E OBJ: Methods of Scientific Inquiry 33. ANS: A only a looks like and is an beaker. DIF: E OBJ: Use of Lab Equipment TOP: Introduction to the Science Classroom: Use of lab equipment 34. ANS: B The US flag starts at 1 cm, not at 0. The other end of the flag is at 4.5, meaning the actual distance is 3.5 cm. DIF: E OBJ: Collecting Data/Data Analysis STA: 6.2B, 7.2B, 8.2B 5
12 ID: B 35. ANS: D The Texas flag measures approximately 28 mm, however a measurement must be taken out to one decimal place past the accuracy of the measuring device. The correct answer is 28.0 mm. DIF: M OBJ: Collecting Data/Data Analysis STA: 6.2B, 7.2B, 8.2B 6
Questions: Does it always take the same amount of force to lift a load? Where should you press to lift a load with the least amount of force?
Lifting A Load 1 NAME LIFTING A LOAD Questions: Does it always take the same amount of force to lift a load? Where should you press to lift a load with the least amount of force? Background Information:
More informationPaper Airplanes & Scientific Methods
Paper Airplanes 1 Name Paper Airplanes & Scientific Methods Scientific Inquiry refers to the many different ways in which scientists investigate the world. Scientific investigations are done to answer
More informationBecause the slope is, a slope of 5 would mean that for every 1cm increase in diameter, the circumference would increase by 5cm.
Measurement Lab You will be graphing circumference (cm) vs. diameter (cm) for several different circular objects, and finding the slope of the line of best fit using the CapStone program. Write out or
More informationREVIEW SHEETS INTRODUCTORY PHYSICAL SCIENCE MATH 52
REVIEW SHEETS INTRODUCTORY PHYSICAL SCIENCE MATH 52 A Summary of Concepts Needed to be Successful in Mathematics The following sheets list the key concepts which are taught in the specified math course.
More informationHow to write a formal lab report correctly. This is based off a lab done in AP biology and all examples are taken from student lab write-ups.
How to write a formal lab report correctly. This is based off a lab done in AP biology and all examples are taken from student lab write-ups. Title: Potato Catalase Enzyme Lab (1 point). * Objective, variables,
More informationThe volume of a penny will be calculated from its mass and density.
Measurement and Density In science a key concern is the quantities involved in chemical processes. These amounts can be directly measured or calculated from other measurements. A measurement consists of
More informationPS Chapter 1 Review. Name: Class: Date: Multiple Choice Identify the choice that best completes the statement or answers the question.
Name: Class: Date: ID: A PS Chapter 1 Review Multiple Choice Identify the choice that best completes the statement or answers the question. 1. The two main branches of science are a. physics and chemistry.
More informationFormat for Experiment Preparation and Write-Up
Format for Experiment Preparation and Write-Up Scientists try to answer questions by applying consistent, logical reasoning to describe, explain, and predict observations; and by performing experiments
More informationStudents will be able to identify popping corn as a physical change.
TO POP OR NOT TO POP THAT IS THE QUESTION. Written by Amy Rowley and Jeremy Peacock Annotation In this laboratory exercise, students will demonstrate science process skills as they use moisture content
More informationEXERCISE # 1.Metric Measurement & Scientific Notation
EXERCISE # 1.Metric Measurement & Scientific Notation Student Learning Outcomes At the completion of this exercise, students will be able to learn: 1. How to use scientific notation 2. Discuss the importance
More informationFilm Canister ROCKETS. An activity of reaction rates and the scientific method
Film Canister ROCKETS An activity of reaction rates and the scientific method Developed by: Elisabeth Mills, UCLA NSF GK-12 Fellow Title of Lesson: Film Canister Rockets Grade level: 8 th Grade Subject(s):
More informationAP Physics 1 and 2 Lab Investigations
AP Physics 1 and 2 Lab Investigations Student Guide to Data Analysis New York, NY. College Board, Advanced Placement, Advanced Placement Program, AP, AP Central, and the acorn logo are registered trademarks
More informationMeasuring Heart Rate
Name Date Hr Grade Level: 10 Points: 20 Measuring Heart Rate Course: Biology B, Chapter 27 & 28 Objective: Make a lab Benchmark: Biology DIRECTIONS: Use your Hypothetical Lab measuring heart rate of individuals
More informationLevers and Pulleys. 5 th Grade Science Investigation. Unit
Levers and Pulleys 5 th Grade Science Investigation Unit What Do We Already Know? A lever and pulley are mechanical advantages=makes work easier, and helps lift things you couldn t t normally lift Combined
More informationExperiment 1: Measurement and Density
Experiment 1: Measurement and Density Chemistry 140 Learning Objectives Become familiar with laboratory equipment and glassware Begin to see the link between measurement and chemical knowledge Begin to
More informationNeutralizing an Acid and a Base
Balancing Act Teacher Information Objectives In this activity, students neutralize a base with an acid. Students determine the point of neutralization of an acid mixed with a base while they: Recognize
More informationLab 1: The metric system measurement of length and weight
Lab 1: The metric system measurement of length and weight Introduction The scientific community and the majority of nations throughout the world use the metric system to record quantities such as length,
More information1. To perform a potentiometric titration of a sample of Liquid Drano with hydrochloric acid.
INTRODUCTION ANALYSIS OF DRAIN CLEANER (Revised: 1-25-93) Many common household cleaners contain acids or bases. Acidic cleaners, such as toilet bowl cleaners, often contain hydrochloric acid or sodium
More informationDATA EXPRESSION AND ANALYSIS
NAME Lab Day DATA EXPRESSION AND ANALYSIS LABORATORY 1 OBJECTIVES Understand the basis of science and the scientific method. Understand exponents and the metric system. Understand the metric units of length,
More informationMeasurement of Length, Mass, Volume and Density
Measurement of Length, Mass, Volume and Density Experimental Objective The objective of this experiment is to acquaint you with basic scientific conventions for measuring physical quantities. You will
More informationPonce de Leon Middle School Physical Science 2016 Summer Instructional Packet
Ponce de Leon Middle School Physical Science 2016 Summer Instructional Packet DIRECTIONS: 1. You are required to complete the Summer Instructional Packet. 2. Turn in your completed package to your teacher,
More informationBuoyant Force and Archimedes' Principle
Buoyant Force and Archimedes' Principle Introduction: Buoyant forces keep Supertankers from sinking and party balloons floating. An object that is more dense than a liquid will sink in that liquid. If
More informationVocabulary Cards and Word Walls Revised: June 29, 2011
Vocabulary Cards and Word Walls Revised: June 29, 2011 Important Notes for Teachers: The vocabulary cards in this file match the Common Core, the math curriculum adopted by the Utah State Board of Education,
More informationOsmosis. Evaluation copy
Osmosis Computer 5 In order to survive, all organisms need to move molecules in and out of their cells. Molecules such as gases (e.g., O 2, CO 2 ), water, food, and wastes pass across the cell membrane.
More informationSection 1 Tools and Measurement
Section 1 Tools and Measurement Key Concept Scientists must select the appropriate tools to make measurements and collect data, to perform tests, and to analyze data. What You Will Learn Scientists use
More informationChapter 1 An Introduction to Chemistry
1 Chapter 1 An Introduction to Chemistry 1.1 What Is Chemistry, and What Can Chemistry Do for You? Special Topic 1.1: Green Chemistry 1.2 Suggestions for Studying Chemistry 1.3 The Scientific Method 1.4
More informationPositive Test for Vitamin C. When a liquid containing Vitamin C is added to Indophenol Solution, the colour changes from Blue to Clear.
Sc ienc e 9-Biology Ex perim ent 6-4 Test ing for Vit am in C Name Due Date 10 Show Me Hand In Correct and Hand In Again By Purpose: To test some foods for the presence Vitamin C Materials: Small dropper
More informationThe introduction of your report should be written on the on the topic of the role of indicators on acid base titrations.
Experiment # 13A TITRATIONS INTRODUCTION: This experiment will be written as a formal report and has several parts: Experiment 13 A: Basic methods (accuracy and precision) (a) To standardize a base (~
More informationConverting within the Metric System
Converting within the Metric System Team members: Donna Massey and Julie Schlabaugh I. Lesson Plan (designed for teacher) Lesson Title: Convert with Metric! Lesson Summary: This lesson will allow students
More informationValor Christian High School Mrs. Bogar Biology Graphing Fun with a Paper Towel Lab
1 Valor Christian High School Mrs. Bogar Biology Graphing Fun with a Paper Towel Lab I m sure you ve wondered about the absorbency of paper towel brands as you ve quickly tried to mop up spilled soda from
More informationDetermining the Identity of an Unknown Weak Acid
Purpose The purpose of this experiment is to observe and measure a weak acid neutralization and determine the identity of an unknown acid by titration. Introduction The purpose of this exercise is to identify
More informationCONDUCT YOUR EXPERIMENT/COLLECT YOUR DATA AND RECORD YOUR RESULTS WRITE YOUR CONCLUSION
CONDUCT YOUR EXPERIMENT/COLLECT YOUR DATA AND RECORD YOUR RESULTS WRITE YOUR CONCLUSION Due Date: February 9, 2010 Conducting Your Experiment Adapted with permission from www.sciencebuddies.org 1) Before
More informationph: Measurement and Uses
ph: Measurement and Uses One of the most important properties of aqueous solutions is the concentration of hydrogen ion. The concentration of H + (or H 3 O + ) affects the solubility of inorganic and organic
More informationAP Physics 1. Calculating the value of Pi Example 2015 2016 1 2
AP Physics 1 Kevin J. Kukla 201 2016 1 AP Physics 1 Lab Journal Guidelines Calculating the value of Pi Example 201 2016 1 2 Lab Journal Guidelines (I) Purpose of Lab Lab Question: The purpose of this lab
More informationBACKGROUND (continued)
BACKGROUND (continued) A cell must exchange materials with its surroundings, a process controlled by the plasma membrane. Plasma membranes are selectively permeable, regulating the cell s molecular traffic:
More informationDesigner: Nathan Kimball. Stage 1 Desired Results
Interpolation Subject: Science, math Grade: 6-8 Time: 4 minutes Topic: Reading Graphs Designer: Nathan Kimball Stage 1 Desired Results Lesson Overview: In this activity students work with the direct linear
More informationHigh Flying Balloons
Second Grade Science Design Brief High Flying Balloons Background: In our study of science we have been investigating the three stages of matter: solids, liquids and gases. You will use your knowledge
More informationDNA Electrophoresis Lesson Plan
DNA Electrophoresis Lesson Plan Primary Learning Outcomes: Students will learn how to properly load a well in an agarose gel. Students will learn how to analyze the results of DNA electrophoresis. Students
More informationhp calculators HP 35s Temperature Conversions Metric units and Imperial units Conversion keys
Metric units and Imperial units Conversion keys Practice working problems involving temperature conversions Conversion of temperatures and conversion of temperature differences Other temperature scales
More informationWorksheet 1. What You Need to Know About Motion Along the x-axis (Part 1)
Worksheet 1. What You Need to Know About Motion Along the x-axis (Part 1) In discussing motion, there are three closely related concepts that you need to keep straight. These are: If x(t) represents the
More informationChemical Formulas, Equations, and Reactions Test Pre-AP Write all answers on your answer document.
Name: Period: Chemical Formulas, Equations, and Reactions Test Pre-AP Write all answers on your answer document. 1. Which of the following is a NOT a physical property of hydrogen? A. It is gas C. It is
More informationTHE LABORATORY NOTEBOOK
THE LABORATORY NOTEBOOK In scientific work keeping a permanent record of all raw data, observations, calculations, et cetera obtained during an experiment is important. Therefore, a student must become
More informationEXPERIMENT 2 EGG OBSERVATIONS. Contents: Pages 1-4: Teachers Guide Page 5: Student Worksheet. An Osmosis Eggsperiment ACKNOWLEDGEMENTS
EXPERIMENT 2 EGG OBSERVATIONS An Osmosis Eggsperiment Contents: Pages 1-4: Teachers Guide Page 5: Student Worksheet ACKNOWLEDGEMENTS The creation of this experiment and its support materials would not
More informationEnzyme Activity Measuring the Effect of Enzyme Concentration
6 Measuring the Effect of Enzyme Concentration Enzymes are proteins that serve as biological catalysts in a wide variety of life sustaining chemical reactions that take place in cells. As catalysts, enzymes
More informationLIQUID CHROMATOGRAPHY HOW MUCH ASPIRIN, ACETAMINOPHEN, AND CAFFEINE ARE IN YOUR PAIN RELIEVER? USING HPLC TO QUANTITATE SUBSTANCES (Revised: 1-13-93)
INTRODUCTION HOW MUCH ASPIRIN, ACETAMINOPHEN, AND CAFFEINE ARE IN YOUR PAIN RELIEVER? USING HPLC TO QUANTITATE SUBSTANCES (Revised: 1-13-93) Headache, sore muscles, arthritis pain... How do you spell relief?
More informationExercise 1: How to Record and Present Your Data Graphically Using Excel Dr. Chris Paradise, edited by Steven J. Price
Biology 1 Exercise 1: How to Record and Present Your Data Graphically Using Excel Dr. Chris Paradise, edited by Steven J. Price Introduction In this world of high technology and information overload scientists
More informationEvaluation copy. Enzyme Action: Testing Catalase Activity (Method 1 O 2 Gas Sensor) Computer 2
Enzyme Action: Testing Catalase Activity (Method 1 O 2 Gas Sensor) Computer 2 Many organisms can decompose hydrogen peroxide (H 2 O 2 ) enzymatically. Enzymes are globular proteins, responsible for most
More informationDesigning An Experiment Using Baking Soda and Vinegar
Designing An Experiment Using Baking Soda and Vinegar Introduction: Kinetics is the study of chemical reaction rates. It is the study of how fast different chemicals react with one another to form new
More informationCalibration of Glassware
Calibration of Glassware Introduction Glassware is commonly calibrated using a liquid of known, specific density, and an analytical balance. The procedure is to determine the mass of liquid the glassware
More informationCLEANING WATER. Student Section
National Aeronautics and Space Administration CLEANING WATER Student Section Student Name This lesson challenges you to create and test a water filtration system. During this lesson, you will design and
More informationENZYME ACTION: TESTING CATALASE ACTIVITY
ENZYME ACTION: TESTING CATALASE ACTIVITY LAB ENZ 1.CALC From Biology with Calculators, Vernier Software & Technology, 2000 INTRODUCTION Many organisms can decompose hydrogen peroxide (H 2 O 2 ) enzymatically.
More informationWelcome to Physics 40!
Welcome to Physics 40! Physics for Scientists and Engineers Lab 1: Introduction to Measurement SI Quantities & Units In mechanics, three basic quantities are used Length, Mass, Time Will also use derived
More informationPhysics 40 Lab 1: Tests of Newton s Second Law
Physics 40 Lab 1: Tests of Newton s Second Law January 28 th, 2008, Section 2 Lynda Williams Lab Partners: Madonna, Hilary Clinton & Angie Jolie Abstract Our primary objective was to test the validity
More informationEducational Objectives To investigate equilibrium using a lever in two activities.
Lever: Equilibrium and Torque Main Topic Subtopic Learning Level Technology Level Activity Type Forces Simple Machines High Low Student Teacher s Notes Description: Investigate torque and equilibrium in
More informationEXPERIMENTAL ERROR AND DATA ANALYSIS
EXPERIMENTAL ERROR AND DATA ANALYSIS 1. INTRODUCTION: Laboratory experiments involve taking measurements of physical quantities. No measurement of any physical quantity is ever perfectly accurate, except
More informationReaction in a Bag. Scientific Method Demonstrations
elearning 2009 Introduction Reaction in a Bag Scientific Method Demonstrations Publication No. 91419 Careful observation is the foundation of science, leading to questions about what we have observed how,
More informationTIphysics.com. Physics. Bell Ringer: Mechanical Advantage of a Single Fixed Pulley ID: 13507
Bell Ringer: Mechanical Advantage of a Single Fixed Pulley ID: 13507 Based on an activity by Irina Lyublinskaya Time required 15 minutes Topic: Work and Energy Calculate the mechanical advantages and efficiencies
More informationChapter 1 Lecture Notes: Science and Measurements
Educational Goals Chapter 1 Lecture Notes: Science and Measurements 1. Explain, compare, and contrast the terms scientific method, hypothesis, and experiment. 2. Compare and contrast scientific theory
More informationMEASUREMENTS AND ERRORS
Measurements 1 MESUREMENTS ND ERRORS ccuracy Error Precision Uncertainty Reliability measure of the closeness of agreement between an individual result and the accepted value. n accurate result is in close
More informationExperiment 9: Acids and Bases Adapted from: Chemistry, Experimental Foundations, 4th Ed. Laboratory Manual, by Merrill, Parry & Bassow.
Chem 121 Lab Clark College Experiment 9: Acids and Bases Adapted from: Chemistry, Experimental Foundations, 4th Ed. Laboratory Manual, by Merrill, Parry & Bassow. Content Goals: Increase understanding
More informationExperimental Analysis
Experimental Analysis Instructors: If your institution does not have the Fish Farm computer simulation, contact the project directors for information on obtaining it free of charge. The ESA21 project team
More informationLaw of Conservation of Matter
Law of onservation of Matter Type of Lesson: ontent with Process: Focus on constructing knowledge though active learning. IP ontent TEKS: 8 Investigate and identify the law of conservation of mass. Learning
More informationConservation of Energy Physics Lab VI
Conservation of Energy Physics Lab VI Objective This lab experiment explores the principle of energy conservation. You will analyze the final speed of an air track glider pulled along an air track by a
More informationOrganic Lab 1 Make-up Experiment. Extraction of Caffeine from Beverages. Introduction
Organic Lab 1 Make-up Experiment Extraction of Caffeine from Beverages Introduction Few compounds consumed by Americans are surrounded by as much controversy as caffeine. One article tells us that caffeine
More informationELECTRIC FIELD LINES AND EQUIPOTENTIAL SURFACES
ELECTRIC FIELD LINES AND EQUIPOTENTIAL SURFACES The purpose of this lab session is to experimentally investigate the relation between electric field lines of force and equipotential surfaces in two dimensions.
More informationMeasuring volume of gas produced Measuring precipitation (because sulphur is produced) e.g. look for X to disappear Measure mass lost
Introduction My investigation is about the rate of reaction. A rate of reaction is defined as how fast or slow a reaction takes place. For example, the oxidation of iron under the atmosphere is a slow
More informationUnit R075 How scientific data is used Experiment calculations Instructions and answers for teachers
Unit R075 How scientific data is used Experiment calculations Instructions and answers for teachers The activities below cover LO2: Know and understand how scientists analyse and process information Associated
More informationEnzyme Action: Testing Catalase Activity 50 Points
Names: LabQuest Enzyme Action: Testing Catalase Activity 50 Points 6A Many organisms can decompose hydrogen peroxide (H 2 O 2 ) enzymatically. Enzymes are globular proteins, responsible for most of the
More informationHow do scientists collect and analyze data?
EXERCISE 1 Name How do scientists collect and analyze data? Objectives After completing this exercise, you should be able to: identify the names and functions of the laboratory items on display in the
More informationScientific Experiments Using the Inquiry Activity Pendulums
Scientific Experiments Using the Inquiry Activity Pendulums Prep Time: 30 minutes Class Time: 1 class period Word Wall Words: experiment, independent variable, controlled variable, dependent variables,
More informationSoaking Up Solar Energy
Soaking Up Solar Energy Monica Laux Grade 8 Enriched and modified lab **Note, I am a special education teacher in 8 th grade Science using an inclusionary model. This lab has also been re-designed to differentiate
More informationAscorbic Acid Titration of Vitamin C Tablets This lab will be completed individually! Make sure you come prepared!
Ascorbic Acid Titration of Vitamin C Tablets This lab will be completed individually! Make sure you come prepared! Introduction Vitamin C (also known as ascorbic acid, HC6H7O6) is a necessary ingredient
More informationCHE 114L: Lab 1 The Chemistry of Baking Soda
CHE 114L: Lab 1 The Chemistry of Baking Soda Preface In the future, the lab instructions you receive will begin with the description of the scientific problem that will be investigated in the forthcoming
More information6 H2O + 6 CO 2 (g) + energy
AEROBIC RESPIRATION LAB DO 2.CALC From Biology with Calculators, Vernier Software & Technology, 2000. INTRODUCTION Aerobic cellular respiration is the process of converting the chemical energy of organic
More informationTo learn the proper method for conducting and analyzing a laboratory experiment. To determine the value of pi.
Name Date Regents Physics Lab #3R Period Mrs. Nadworny Partners: (1 pt) Circumference vs. Diameter Due Date Purpose To learn the proper method for conducting and analyzing a laboratory experiment. To determine
More informationCLASSWORK: Scientific Method Practice Variables, Hypothesis Construction & Experimental Design
Name: Block: Date: CLASSWORK: Scientific Method Practice Variables, Hypothesis Construction & Experimental Design IDENTIFYING VARIABLES Background information: Scientists use an experiment to search for
More informationChapter 7: Simple linear regression Learning Objectives
Chapter 7: Simple linear regression Learning Objectives Reading: Section 7.1 of OpenIntro Statistics Video: Correlation vs. causation, YouTube (2:19) Video: Intro to Linear Regression, YouTube (5:18) -
More informationHFCC Math Lab General Math Topics -1. Metric System: Shortcut Conversions of Units within the Metric System
HFCC Math Lab General Math Topics - Metric System: Shortcut Conversions of Units within the Metric System In this handout, we will work with three basic units of measure in the metric system: meter: gram:
More informationTo determine the equivalence points of two titrations from plots of ph versus ml of titrant added.
Titration Curves PURPOSE To determine the equivalence points of two titrations from plots of ph versus ml of titrant added. GOALS 1 To gain experience performing acid-base titrations with a ph meter. 2
More informationYOU CAN COUNT ON NUMBER LINES
Key Idea 2 Number and Numeration: Students use number sense and numeration to develop an understanding of multiple uses of numbers in the real world, the use of numbers to communicate mathematically, and
More informationDetermining the Quantity of Iron in a Vitamin Tablet. Evaluation copy
Determining the Quantity of Iron in a Vitamin Tablet Computer 34 As biochemical research becomes more sophisticated, we are learning more about the role of metallic elements in the human body. For example,
More informationMotion. Complete Table 1. Record all data to three decimal places (e.g., 4.000 or 6.325 or 0.000). Do not include units in your answer.
Labs for College Physics: Mechanics Worksheet Experiment 2-1 Motion As you work through the steps in the lab procedure, record your experimental values and the results on this worksheet. Use the exact
More informationEXPERIMENT 11 UV/VIS Spectroscopy and Spectrophotometry: Spectrophotometric Analysis of Potassium Permanganate Solutions.
EXPERIMENT 11 UV/VIS Spectroscopy and Spectrophotometry: Spectrophotometric Analysis of Potassium Permanganate Solutions. Outcomes After completing this experiment, the student should be able to: 1. Prepare
More informationDetermination of Citric Acid in Powdered Drink Mixes
Determination of Citric Acid in Powdered Drink Mixes Citric acid and its salts (sodium citrate and potassium citrate) are found in many foods, drinks, pharmaceuticals, shampoos, and cosmetics. The tartness
More informationTITRATION OF VITAMIN C
TITRATION OF VITAMIN C Introduction: In this lab, we will be performing two different types of titrations on ascorbic acid, more commonly known as Vitamin C. The first will be an acid-base titration in
More informationDETERMINING THE DENSITY OF LIQUIDS & SOLIDS
DETERMINING THE DENSITY OF LIQUIDS & SOLIDS 17 Density, like color, odor, melting point, and boiling point, is a physical property of matter. Therefore, density may be used in identifying matter. Density
More informationMicro Mole Rockets Hydrogen and Oxygen Mole Ratio As adapted from Flinn ChemTopic- Labs - Molar Relationships & Stoichiometry
Micro Mole Rockets Hydrogen and Oxygen Mole Ratio As adapted from Flinn ChemTopic- Labs - Molar Relationships & Stoichiometry Introduction The combustion reaction of hydrogen and oxygen is used to produce
More informationA Laboratory Information. Management System for the Molecular Biology Lab
A Laboratory Information L I M S Management System for the Molecular Biology Lab This Document Overview Why LIMS? LIMS overview Why LIMS? Current uses LIMS software Design differences LIMS software LIMS
More informationPopcorn Laboratory. Hypothesis : Materials:
Popcorn Laboratory Problem: Popcorn kernels explode into delightful, edible parcels because of a build-up of pressure inside the kernel during heating. In this experiment you will try to calculate the
More informationSpring Scale Engineering
Spring Scale Engineering Provided by TryEngineering - Lesson Focus Lesson focuses on the engineering behind building a spring scale and its use as a measuring device. Students work in teams to design,
More informationExperiment #4 Sugar in Soft Drinks and Fruit Juices. Laboratory Overview CHEM 1361. August 2010
Experiment #4 Sugar in Soft Drinks and Fruit Juices Laboratory Overview CHEM 1361 August 2010 Gary S. Buckley, Ph.D. Department of Physical Sciences Cameron University Learning Objectives Relate density
More informationChapter Test B. Chapter: Measurements and Calculations
Assessment Chapter Test B Chapter: Measurements and Calculations PART I In the space provided, write the letter of the term or phrase that best completes each statement or best answers each question. 1.
More informationUNIVERSITY OF MINNESOTA DULUTH DEPARTMENT OF CHEMICAL ENGINEERING ChE 3211-4211 ABSORPTION OF CARBON DIOXIDE INTO WATER
UNIVERSITY OF MINNESOTA DULUTH DEPARTMENT OF CHEMICAL ENGINEERING ChE 3211-4211 ABSORPTION OF CARBON DIOXIDE INTO WATER OBJECTIVE The objective of this experiment is to determine the equilibrium line,
More informationThe Science of Biology
Chapter 1 The Science of Biology Section 1 1 What Is Science? (pages 3 7) This section explains what the goal of science is and describes a scientific view of the world. What Science Is and Is Not (page
More informationPhosphates (ortho- and total)
INTRODUCTION Phosphates (ortho- and total) Phosphorus is an essential nutrient for all aquatic plants and algae. Only a very small amount is needed, however, so an excess of phosphorus can easily occur.
More informationOA4-13 Rounding on a Number Line Pages 80 81
OA4-13 Rounding on a Number Line Pages 80 81 STANDARDS 3.NBT.A.1, 4.NBT.A.3 Goals Students will round to the closest ten, except when the number is exactly halfway between a multiple of ten. PRIOR KNOWLEDGE
More informationUnit ASc6: Carrying Out a Scientific Experiment
UNIT ASC6: CARRYING OUT A SCIENTIFIC EXPERIMENT Unit ASc6: Carrying Out a Scientific Experiment Level: 1 Unit type: Sector (Applied Science) Guided learning hours: 40 Unit in brief Learners will develop
More informationSubject: Math Grade Level: 5 Topic: The Metric System Time Allotment: 45 minutes Teaching Date: Day 1
Subject: Math Grade Level: 5 Topic: The Metric System Time Allotment: 45 minutes Teaching Date: Day 1 I. (A) Goal(s): For student to gain conceptual understanding of the metric system and how to convert
More informationChapter 1: Chemistry: Measurements and Methods
Chapter 1: Chemistry: Measurements and Methods 1.1 The Discovery Process o Chemistry - The study of matter o Matter - Anything that has mass and occupies space, the stuff that things are made of. This
More informationHousehold Acids and Bases
Household Acids and Bases GRADE LEVEL INDICATORS Experiment Demonstrate that the ph scale (0-14) is used to measure acidity and classify substances or solutions as acidic, basic, or neutral. 21 Develop
More information