# Junior Cert Science Numeracy Resources

Save this PDF as:

Size: px
Start display at page: ## Transcription

1 Focus on Numeracy Junior Cert Science Numeracy Resources

2 Let s Talk About Measurement Measurement of Time Directions: Put a < (less than), > (greater than), or = symbol between the two amounts of time. Unit Is equal to 1 Year 365 days 1Day 24 Hours 1 Hour 60 Minutes 1 Minute 60 Seconds a) 1 minute 45 seconds b) 1 hour 60 minutes c) 1 year 15 months d) 4 days 1 week e) 20 minutes 3 hours f) 1 day 12 hours g) 453 L 453 ml h) 83 millimeters 9 meters i) 50 centimeters 5 meters j) 12 seconds 1 hour SI Unit for Time is the Second

3 Let s Talk About Measurement Measurement of Length What piece of equipment would you use to Mark out the distance for the 100M race on sports day? Find the area of a room? To find the thickness of a book? Measure the diameter of pipe? Measure the length of a table? Measure the distance between two cities on a map? Height My height is My partner s height is Unit Unit Is equal to 1 km 1000M 1M 100cm Our Average height is 1cm 10mm Wrap a piece of string around your wrist. Cut it at the point where they meet. Now measure the string next to a meter rule. Body part Wrist Length (cm) or (mm) Ankle Head SI Unit for Length is the Metre

4 Let s Talk About Measurement Measurement of Volume Volume is the amount of space that an object takes up VOLUME can be used to study amounts of LIQUIDS (water, milk, juice) GASES (air, oxygen, helium) SOLIDS (flour, sugar, blocks of wood) Unit Symbol Cubic Metre M 3 Litre L Cubic Centimetre cm 3 Millilitre ml Using this information complete the following statements: 1 teaspoon = 5mL 1 tablespoon = 15mL 1 (measuring) cup = 250mL How many teaspoons of water fit in 1 tablespoon? 15mL 5mL = 3 So, there are teaspoons in a. How many teaspoons of sugar will fit in 1 cup? 250mL 5mL = 50 So, there are teaspoons in a. How many teaspoons of milk are there in a 1L carton? 1000mL 5mL = 200 So, there are teaspoons in 1. Example Find the volume of juice in a box that is 5cm long, 3cm wide, and 10cm high. V = L x W x H = 5cm x 3cm x 10cm = 150cm³ NOTICE THE FOLLOWING ABOUT THIS ANSWER: the units are now CUBED (cm³) This exponent (3)must be used whenever we calculate the VOLUME using the L, W and H! What does this have to do with OTHER units of VOLUME (ml, L, etc.)? Well 1cm³ = 1mL so 150cm 3 = 150mL SI Unit for Volume is the Metre 3

5 Let s Talk About Measurement Question 1: Measurement of Volume Formula: Volume = L x W x H A letter 'T' shape is made by sticking together 2 cuboids as shown in the diagram. What is the total volume in cm³ of the letter 'T'? Question 2: Calculate the volume of each of the following cuboids : SI Unit for Volume is the Metre 3

6 Let s Talk About Measurement Measurement of Volume Formula: Volume = L x W x H Question 1: Calculate the volume of the cardboard box. If the box was sealed could it be used to hold 85L of sugar? Explain your answer Question 2: Find the volume of air in an room that is 15m long, 8m wide and 3m high. If you needed an air conditioning unit to cool this room should you buy this one that was on special offer? Question 3: How many 250mls can of lemonade will it take to fill a 4L jug for your party? Question 4: A rectangular hot tub measures 100cm high x 200cm long x 200 cm wide. How many litres of water will it take to fill the hot tub? Question 5: (i) The diagram shows a piece of equipment, labelled A, containing water. a) Name A. b) What is the volume in A? (ii) A stone was then added and a new volume was recorded as shown in B. a) What is the volume in B? b) What was the volume of the stone in cm 3? c) What is the curve on the top of the water called? d) Name a second item of laboratory equipment which enables more accurate measurements of volume to be made e) What other piece of laboratory equipment can be used to measure volume? SI Unit for Volume is the Metre 3

7 Let s Talk About Measurement Measurement of Density Density = Mass Volume Q1 Complete the following sentence by putting in words from the list below: The density of an object is found by dividing the of an object by its. Area Volume Length Mass Acceleration. Q2 A regular block of glass has a length of 4cm, width of 3cm and a height of 2cm. Calculate the volume of the block of glass? This block of glass was placed in a graduated cylinder which already had 50cm 3 of water in it. Underline in the following list the new level of water after the block of glass was added. 59cm 3 24cm 3 74cm 3 98cm 3 Q3 Will a ship sink further in saltwater or freshwater Q4 How could you prove that a barman was watering down the whiskey without you having to drink any of it? Q5 A block of iron or steel will sink if put into water most of the ships in the world are made of iron and steel and they float. Can you explain this? Q6 The mass of an object is measured in. Q 7 Density is measured in. Answer the following questions using the table below: Q8 Put these objects in the correct order starting with the most dense. Q9 In the diagram below which substance is the most dense. Q10 The density of some metals are as follows, using this information find out which metal would sink in mercury. Mercury Lead Gold Iron Density 13.6g/cm3 11.2g/cm3 19.3g/cm3 7.9g/cm3 SI Unit for Density is the Kg/Metre 3

8 Let s Talk About Work, Energy and Power Work, Energy and Power Energy is the ability to do Work Work done = Force distance Power is the rate at which work is done Q1: How much work is done when a force of 10N moves and object 20M? What is the formula you will use? What values will you insert Q2: A 60 watt light bulb runs for 5 seconds. How much energy does it use? What is the formula? What is the unit of energy? Q3: Stephen runs up a 3 meter high flight of stairs. His mass is 60kg. How much work did he do? How much energy did he use? What are the units for work? What are the units for energy? Q4: On a recent adventure trip, Anita went rock-climbing. Anita was able to steadily lift her 70kg body 20.0 meters in 100 seconds. Determine Anita 's power during this portion of the climb. How do you calculate the force? How do you calculate the work? What is the formula for power? Q5: A physics teacher owns a family of squirrels. The squirrels have been trained to do push-ups in a repetitive fashion. Being connected to an electrical generator, their on going exercise is used to help power the teacher s home. There are 23 squirrels in the family and their average mass is 1.0 kg. They do work on the "up" part of the push-up, raising their body an average distance of 5.0 cm. If the squirrels averages 70 push-ups per minute, then determine the total amount of work done in one minute and the power generated by their activity. Quantity Work Energy Power Unit Joule Joule Watt Power Energy Time

9 Let s Talk About Electricity Electricity Quantity Symbol Unit Symbol Measured with Symbol Current I Amps A Ammeter Potential V Volts V Voltmeter difference Resistance R Ohms Ω Ohmmeter Relationship between current, potential difference and resistance V = RI Q1: This circuit was used to take measurements of current through the resistor and voltage across the resistor. The following measurements were obtained. Plot a graph of these measurements. What mathematical relationship do you see between voltage and current in this simple circuit? Q2: Calculate the resistance of a resistor when 20 V produces a current of 4 A. Q3:. What is the current through a 40-ohm resistance that has a potential difference of 160 volts? Q 4: If the headlight on your car has a resistance of 30 ohms and the car battery put out 12 V, what is the current through the headlight circuit? Q5: The motor for your electric car is attached to a generator. The motor has a resistance of 30ohms and the current is 4 amperes (A). What is the generator s voltage? Q6: If a clock radio uses 2 x 10 4 A of current when you run it on a 9 V battery, what resistance is its circuit providing?

10 Let s Talk About Electricity Electricity Q1: Match the quantity on the left to the unit in which it is measured on the right. Q2: A resistor of 8 has a potential difference of 4 V between its ends. Calculate the current passing through the resistor? Q3: A 220 volt wall outlet supplies power to a strobe light with a resistance of 2200 ohms. How much current is flowing through the strobe light? What are you trying to find? Write the formula that you will use. Insert the values for the formula Calculate and write you answer Q4: A CD player with a resistance of 40 ohms has a current of 0.1 amps flowing through it. Calculate how many volts supply the CD player. Choose your answer below volts volts volts volts Q5: A 220-volt power source supplies a lamp with a resistance of 192 ohms. What is the current flow of the circuit? What are you trying to find? Write the formula that you will use. Insert the values for the formula Calculate and write you answer Q6: What is the resistance of the circuit conductors when the voltage is 12 volts and the current flowing through the conductors is 2 amperes?

11 Let s Talk About Electricity Cost of Electricity Q1: The kilowatt-hour is the unit of electrical energy used by electricity suppliers. The photograph shows a kwh (kilowatt-hour) meter. This meter is connected into the electricity consumer s domestic circuit and it can measure energy consumption a selected part of the circuit, the total energy used and cost it. The meter can be wall-mounted in a convenient place. in Give two advantages to the consumer of having this type of meter. Define the Watt, the unit of power. Calculate the cost of using of using the electric kettle, shown in the diagram, for ten hours if a unit of electricity costs 15 cent. Q2: A 20 W (0.02 kw) CFL bulb is equivalent to 115 W (0.115 kw) incandescent bulb. Electricity costs 15 cent per kw h. Calculate the cost of using each of these bulbs for 100 hours. Q3: Nikola Tesla ( ) showed at the Frankfurt Fair in 1891 that alternating current could be transmitted over much longer distances than direct current. This is why the electricity supply to our homes is alternating current. Distinguish between alternating and direct current. What is the average voltage of domestic alternating current in Ireland? Q4: Components, e.g. bulbs, in electrical circuits can be connected in series or in parallel. (i) It is noticed that, when one headlight fails (blows) in a car, the second remains lighting. State the way the headlights are connected and give a reason why this mode of connection is used. (ii) All of the bulbs go out in an old set of Christmas tree lights, when one of bulbs fails (blows). In what way are the bulbs connected in this set of lights? Explain why, when one bulb blows, they all go out. (iii) Calculate the resistance of the filament of a car headlamp when 12 V produces a current of 5 A in it. In what unit is resistance measured?

12 Let s Talk About Force Moment of Force = Force x Perpendicular distance Q1: Each force and distance from the fulcrum on the left causes a certain moment. Draw a straight line from each force and distance from the fulcrum on the left with its corresponding moment on the right. Q2: What is the moment of each of these force? 2 metres 1.5 metres pivot 6 Newtons pivot 3 Newtons Q3: The car tyre has a puncture. So you need to take off the tyre to put a new one on. Your friend offers you a choice of spanners. Spanner A is 10 cm long. Spanner B is 20 cm long. Spanner C is 30 cm long. Which spanner would require the least force to use? Q4: Find out, by calculating the moments of force on each side, which of the following are balanced.

### Objectives 200 CHAPTER 4 RESISTANCE Objectives Explain the differences among conductors, insulators, and semiconductors. Define electrical resistance. Solve problems using resistance, voltage, and current. Describe a material that obeys

### Ohm's Law and Circuits 2. Conductance, Insulators and Resistance A. A conductor in electricity is a material that allows electrons to flow through it easily. Metals, in general, are good conductors. Why? The property of conductance

### PHYSICS 111 LABORATORY Experiment #3 Current, Voltage and Resistance in Series and Parallel Circuits PHYSCS 111 LABORATORY Experiment #3 Current, Voltage and Resistance in Series and Parallel Circuits This experiment is designed to investigate the relationship between current and potential in simple series

### 7. What is the current in a circuit if 15 coulombs of electric charge move past a given point in 3 seconds? (1) 5 A (3) 18 A (2) 12 A (4) 45 A 1. Compared to the number of free electrons in a conductor, the number of free electrons in an insulator of the same volume is less the same greater 2. Most metals are good electrical conductors because

### 1 cm 3. 1 cm. 1 cubic centimetre. height or Volume = area of cross-section length length Volume Many things are made in the shape of a cuboid, such as drink cartons and cereal boxes. This activity is about finding the volumes of cuboids. Information sheet The volume of an object is the amount

### AP Physics Electricity and Magnetism #4 Electrical Circuits, Kirchoff s Rules Name Period AP Physics Electricity and Magnetism #4 Electrical Circuits, Kirchoff s Rules Dr. Campbell 1. Four 240 Ω light bulbs are connected in series. What is the total resistance of the circuit? What

### Chapter 6. Volume. Volume by Counting Cubes. Exercise 6 1. 1 cm 3. The volume of a shape is the amount of space it takes up. Chapter 6 Volume Volume by Counting Cubes The volume of a shape is the amount of space it takes up. 3 The basic unit of volume is the cubic centimetre. A small cube which measures by by is said to have

### PS-6.2 Explain the factors that determine potential and kinetic energy and the transformation of one to the other. PS-6.1 Explain how the law of conservation of energy applies to the transformation of various forms of energy (including mechanical energy, electrical energy, chemical energy, light energy, sound energy,

### Experiment #3, Ohm s Law Experiment #3, Ohm s Law 1 Purpose Physics 182 - Summer 2013 - Experiment #3 1 To investigate the -oltage, -, characteristics of a carbon resistor at room temperature and at liquid nitrogen temperature,

### The formulae for calculating the areas of quadrilaterals, circles and triangles should already be known :- Area = 1 2 D x d CIRCLE. Revision - Areas Chapter 8 Volumes The formulae for calculating the areas of quadrilaterals, circles and triangles should already be known :- SQUARE RECTANGE RHOMBUS KITE B dd d D D Area = 2 Area = x B

### ALPERTON COMMUNITY SCHOOL MATHS FACULTY ACHIEVING GRADE A/A* EXAM PRACTICE BY TOPIC ALPERTON COMMUNITY SCHOOL MATHS FACULTY ACHIEVING GRADE A/A* EXAM PRACTICE BY TOPIC WEEK Calculator paper Each set of questions is followed by solutions so you can check & mark your own work CONTENTS TOPIC

### Chapter 3 Student Reading Chapter 3 Student Reading If you hold a solid piece of lead or iron in your hand, it feels heavy for its size. If you hold the same size piece of balsa wood or plastic, it feels light for its size. The

### Electric Potential Difference Name: Electric Potential Difference Read from Lesson 1 of the Current Electricity chapter at The Physics Classroom: http://www.physicsclassroom.com/class/circuits/u9l1a.html http://www.physicsclassroom.com/class/circuits/u9l1b.html

### 1Physical quantities and units 1Physical quantities and units By the end of this chapter you should be able to: explain what is meant by a in physics; state the five fundamental quantities recognised and used in physics; explain the

### By the end of this set of exercises, you should be able to: BASIC GEOMETRIC PROPERTIES By the end of this set of exercises, you should be able to: find the area of a simple composite shape find the volume of a cube or a cuboid find the area and circumference of

### I = V/r P = VI. I = P/V = 100 W / 6 V = 16.66 amps. What would happen if you use a 12-volt battery and a 12-volt light bulb to get 100 watts of power? Volts, Amps and Ohms Measuring Electricity The three most basic units in electricity are voltage (V), current (I) and resistance (r). Voltage is measured in volts, current is measured in amps and resistance

### Student Exploration: Circuits Name: Date: Student Exploration: Circuits Vocabulary: ammeter, circuit, current, ohmmeter, Ohm s law, parallel circuit, resistance, resistor, series circuit, voltage Prior Knowledge Questions (Do these

### GCSE Revision Notes Mathematics. Volume and Cylinders GCSE Revision Notes Mathematics Volume and Cylinders irevise.com 2014. All revision notes have been produced by mockness ltd for irevise.com. Email: info@irevise.com Copyrighted material. All rights reserved;

### Chapter 19. Electric Circuits Chapter 9 Electric Circuits Series Wiring There are many circuits in which more than one device is connected to a voltage source. Series wiring means that the devices are connected in such a way that there

### Test Bank - Chapter 3 Multiple Choice Test Bank - Chapter 3 The questions in the test bank cover the concepts from the lessons in Chapter 3. Select questions from any of the categories that match the content you covered with students. The

### CHAPTER 29 VOLUMES AND SURFACE AREAS OF COMMON SOLIDS CHAPTER 9 VOLUMES AND SURFACE AREAS OF COMMON EXERCISE 14 Page 9 SOLIDS 1. Change a volume of 1 00 000 cm to cubic metres. 1m = 10 cm or 1cm = 10 6m 6 Hence, 1 00 000 cm = 1 00 000 10 6m = 1. m. Change

### Current Electricity Lab Series/Parallel Circuits. Safety and Equipment Precautions! Current Electricity Lab Series/Parallel Circuits Name Safety and Equipment Precautions! Plug in your power supply and use ONLY the D.C. terminals of the power source, NOT the A. C. terminals. DO NOT touch

### Chapter 13: Electric Circuits Chapter 13: Electric Circuits 1. A household circuit rated at 120 Volts is protected by a fuse rated at 15 amps. What is the maximum number of 100 watt light bulbs which can be lit simultaneously in parallel

### Circuit symbol. Each of the cells has a potential difference of 1.5 volts. Figure 1. Use the correct answer from the box to complete the sentence. Q.(a) Draw one line from each circuit symbol to its correct name. Circuit symbol Name Diode Light-dependent resistor (LDR) Lamp Light-emitting diode (LED) (3) Figure shows three circuits. The resistors

### Revision Notes Adult Numeracy Level 2 Revision Notes Adult Numeracy Level 2 Place Value The use of place value from earlier levels applies but is extended to all sizes of numbers. The values of columns are: Millions Hundred thousands Ten thousands

### 1. The diagram below represents magnetic lines of force within a region of space. 1. The diagram below represents magnetic lines of force within a region of space. 4. In which diagram below is the magnetic flux density at point P greatest? (1) (3) (2) (4) The magnetic field is strongest

### People s Physics Book The Big Ideas: The name electric current is given to the phenomenon that occurs when an electric field moves down a wire at close to the speed of light. Voltage is the electrical energy density (energy

### 10 g 5 g? 10 g 5 g. 10 g 5 g. scale The International System of Units, or the SI Units Vs. Honors Chem 1 LENGTH In the SI, the base unit of length is the Meter. Prefixes identify additional units of length, based on the meter. Smaller than

### Buoyant Force and Archimedes Principle Buoyant Force and Archimedes Principle Predict the behavior of fluids as a result of properties including viscosity and density Demonstrate why objects sink or float Apply Archimedes Principle by measuring

### Chapter 2 Measurement and Problem Solving Introductory Chemistry, 3 rd Edition Nivaldo Tro Measurement and Problem Solving Graph of global Temperature rise in 20 th Century. Cover page Opposite page 11. Roy Kennedy Massachusetts Bay Community

### boxes Stock cubes food and drink are packed in If you had to design a box which would hold 36 stock cubes which cuboid would you choose? Stock cubes are packed in boxes If you had to design a box which would hold 36 stock cubes which cuboid would you choose? Why would you make this choice? Boxing stock cubes Cubes have six This will fold

### PHYSICAL QUANTITIES AND UNITS 1 PHYSICAL QUANTITIES AND UNITS Introduction Physics is the study of matter, its motion and the interaction between matter. Physics involves analysis of physical quantities, the interaction between them

### VCE VET ENGINEERING STUDIES Victorian Certificate of Education 2013 SUPERVISOR TO ATTACH PROCESSING LABEL HERE STUDENT NUMBER Letter Figures Words VCE VET ENGINEERING STUDIES Written examination Section Wednesday 20 November 2013

### Odyssey of the Mind Technology Fair. Simple Electronics Simple Electronics 1. Terms volts, amps, ohms, watts, positive, negative, AC, DC 2. Matching voltages a. Series vs. parallel 3. Battery capacity 4. Simple electronic circuit light bulb 5. Chose the right

### Lab E1: Introduction to Circuits E1.1 Lab E1: Introduction to Circuits The purpose of the this lab is to introduce you to some basic instrumentation used in electrical circuits. You will learn to use a DC power supply, a digital multimeter

### Measurements 1. BIRKBECK MATHS SUPPORT www.mathsupport.wordpress.com. In this section we will look at. Helping you practice. Online Quizzes and Videos BIRKBECK MATHS SUPPORT www.mathsupport.wordpress.com Measurements 1 In this section we will look at - Examples of everyday measurement - Some units we use to take measurements - Symbols for units and converting

### Maximum and minimum problems. Information sheet. Think about Maximum and minimum problems This activity is about using graphs to solve some maximum and minimum problems which occur in industry and in working life. The graphs can be drawn using a graphic calculator

### Physical Quantities and Units Physical Quantities and Units 1 Revision Objectives This chapter will explain the SI system of units used for measuring physical quantities and will distinguish between vector and scalar quantities. You

### 4. The bottom number of a fraction divides a number (or shape) into parts which are: Level A 1. What is a fraction? A) A way to count whole numbers. B) A way to show part of a whole number or shape. C) A way to show how big a shape is. D) A way to show how one number is bigger than another.

### Series and Parallel Circuits Series and Parallel Circuits Components in a circuit can be connected in series or parallel. A series arrangement of components is where they are inline with each other, i.e. connected end-to-end. A parallel

### MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) If the voltage at a point in space is zero, then the electric field must be A) zero. B) positive.

### Review Questions PHYS 2426 Exam 2 Review Questions PHYS 2426 Exam 2 1. If 4.7 x 10 16 electrons pass a particular point in a wire every second, what is the current in the wire? A) 4.7 ma B) 7.5 A C) 2.9 A D) 7.5 ma E) 0.29 A Ans: D 2.

### Current, Resistance and Electromotive Force. Young and Freedman Chapter 25 Current, Resistance and Electromotive Force Young and Freedman Chapter 25 Electric Current: Analogy, water flowing in a pipe H 2 0 gallons/minute Flow Rate is the NET amount of water passing through a

### 3.- What atom s particle moves through a conductor material? 4.- Which are the electric components of an elemental electric circuit? 1.- What is electricity? 2.- Write down the name of the atom s particles. 3.- What atom s particle moves through a conductor material? 4.- Which are the electric components of an elemental electric circuit?

### Density. Density is how concentrated or compact matter is. Density Density is how concentrated or compact matter is. Packing snow into snowballs increases its density. You are squeezing large amounts of matter into small volumes of space. Equation for Density

### Physical Quantities, Symbols and Units Table 1 below indicates the physical quantities required for numerical calculations that are included in the Access 3 Physics units and the Intermediate 1 Physics units and course together with the SI

### Parallel DC circuits Parallel DC circuits This worksheet and all related files are licensed under the Creative Commons Attribution License, version 1.0. To view a copy of this license, visit http://creativecommons.org/licenses/by/1.0/,

### Section B: Electricity Section B: Electricity We use mains electricity, supplied by power stations, for all kinds of appliances in our homes, so it is very important to know how to use it safely. In this chapter you will learn

### The University of the State of New York REGENTS HIGH SCHOOL EXAMINATION PHYSICAL SETTING PHYSICS. Friday, June 20, 2014 1:15 to 4:15 p.m. P.S./PHYSICS The University of the State of New York REGENTS HIGH SCHOOL EXAMINATION PHYSICAL SETTING PHYSICS Friday, June 20, 2014 1:15 to 4:15 p.m., only The possession or use of any communications device

### Resistance, Ohm s Law, and the Temperature of a Light Bulb Filament Resistance, Ohm s Law, and the Temperature of a Light Bulb Filament Name Partner Date Introduction Carbon resistors are the kind typically used in wiring circuits. They are made from a small cylinder of

### Unit 8A: Systems in Action (Pg. 2 85) Chapter 2: Getting to Work (pg. 28 55) Unit 8A: Systems in Action (Pg. 2 85) Chapter 2: Getting to Work (pg. 28 55) Name: Date: 2.1: Physical Systems: Simple Machines (Pg. 30 35): Read Pages 30-35. Answer the following questions on pg. 35:

### GCSE COMBINED SCIENCE: TRILOGY GCSE COMBINED SCIENCE: TRILOGY Higher Tier Paper 5: Physics 1H H Specimen 2018 Time allowed: 1 hour 15 minutes Materials For this paper you must have: a ruler a calculator the Physics Equation Sheet (enclosed).

### Physics Notes Class 11 CHAPTER 2 UNITS AND MEASUREMENTS 1 P a g e Physics Notes Class 11 CHAPTER 2 UNITS AND MEASUREMENTS The comparison of any physical quantity with its standard unit is called measurement. Physical Quantities All the quantities in terms of

### Metric Mania Conversion Practice. Basic Unit. Overhead Copy. Kilo - 1000 units. Hecto - 100 units. Deka - 10 units. Deci - 0. Metric Mania Conversion Practice Overhead Copy Kilo - 1000 Hecto - 100 Deka - 10 To convert to a larger unit, move decimal point to the left or divide. Basic Unit Deci - 0.1 To convert to a smaller unit,

### Area & Volume. 1. Surface Area to Volume Ratio 1 1. Surface Area to Volume Ratio Area & Volume For most cells, passage of all materials gases, food molecules, water, waste products, etc. in and out of the cell must occur through the plasma membrane.

### UNIT 1 GCSE PHYSICS 2011 FXA. 1.3.1 Transferring Electrical Energy APPLIANCE USEFUL ENERGY NON-USEFUL ENERGY UNIT 1 Examples of energy transformations that everyday electrical devices bring about. APPLIANCE USEFUL ENERGY NON-USEFUL ENERGY 40 The amount of electrical energy a device transforms depends on how long

### The Electrical Properties of Materials: Resistivity The Electrical Properties of Materials: Resistivity 1 Objectives 1. To understand the properties of resistance and resistivity in conductors, 2. To measure the resistivity and temperature coefficient of

### Measurement/Volume and Surface Area Long-Term Memory Review Grade 7, Standard 3.0 Review 1 Review 1 1. Explain how to convert from a larger unit of measurement to a smaller unit of measurement. Include what operation(s) would be used to make the conversion. 2. What basic metric unit would be

### Resistors in Series and Parallel Resistors in Series and Parallel Bởi: OpenStaxCollege Most circuits have more than one component, called a resistor that limits the flow of charge in the circuit. A measure of this limit on charge flow

### Voltage Loss Formula s www.litz-wire.com HM Wire International Inc. Phone: 330-244-8501 Fax: 330-244-8561 Voltage Loss Formula s www.hmwire.com Voltage loss in a wire is synonymous to pressure loss in a pipe. Electric current

### Unit A: Studying Materials Scientifically ITEM BANKS Unit A: Studying Materials Scientifically Multiple choice: Circle the best answer. 1. What safety rules should you always follow while doing a science laboratory? a. Wear safety goggles at all

### Measurement with Reasoning compare, describe and solve practical problems for: * lengths and heights [e.g. long/short, longer/shorter, tall/short, double/half] * mass/weight [e.g. heavy/light, heavier than, lighter than] * capacity

### UNIT (1) MEASUREMENTS IN CHEMISTRY UNIT (1) MEASUREMENTS IN CHEMISTRY Measurements are part of our daily lives. We measure our weights, driving distances, and gallons of gasoline. As a health professional you might measure blood pressure,

### Exercise 11.1. Q.1. A square and a rectangular field with measurements as given in the figure have the same perimeter. Which field has a larger area? 11 MENSURATION Exercise 11.1 Q.1. A square and a rectangular field with measurements as given in the figure have the same perimeter. Which field has a larger area? (a) Side = 60 m (Given) Perimeter of

### CLASS TEST GRADE 11. PHYSICAL SCIENCES: PHYSICS Test 3: Electricity and magnetism CLASS TEST GRADE 11 PHYSICAL SCIENCES: PHYSICS Test 3: Electricity and magnetism MARKS: 45 TIME: 1 hour INSTRUCTIONS AND INFORMATION 1. Answer ALL the questions. 2. You may use non-programmable calculators.

### Lesson 2 The Buoyant Force Lesson 2 Student Labs and Activities Page Launch Lab 26 Content Vocabulary 27 Lesson Outline 28 MiniLab 30 Content Practice A 31 Content Practice B 32 School to Home 33 Key Concept Builders 34 Enrichment

### A Learning Guide for Model Rocket Launch Systems A Learning Guide for Model Rocket Launch Systems Including: Schematics, Electrical Theory and Study Problems Edited and updated by Ann Grimm EstesEducator.com educator@estesrockets.com 800.820.0202 2012

### Level 1 - Maths Targets TARGETS. With support, I can show my work using objects or pictures 12. I can order numbers to 10 3 Ma Data Hling: Interpreting Processing representing Ma Shape, space measures: position shape Written Mental method s Operations relationship s between them Fractio ns Number s the Ma1 Using Str Levels

### GATEWAY SCIENCE B651/01 PHYSICS B Unit 1 Modules P1 P2 P3 (Foundation Tier) F GENERAL CERTIFICATE OF SECONDARY EDUCATION GATEWAY SCIENCE B651/01 PHYSICS B Unit 1 Modules P1 P2 P3 (Foundation Tier) *CUP/T63931* Candidates answer on the question paper A calculator may be used for

### 2.2 Scientific Notation: Writing Large and Small Numbers 2.2 Scientific Notation: Writing Large and Small Numbers A number written in scientific notation has two parts. A decimal part: a number that is between 1 and 10. An exponential part: 10 raised to an exponent,

### ELECTRICAL CIRCUITS. Electrical Circuits Electrical Circuits A complete path, or circuit, is needed before voltage can cause a current flow through resistances to perform work. There are several types of circuits, but all require the same basic

### Time allowed: 1 hour 45 minutes GCSE PHYSICS Foundation Tier Paper 1F F Specimen 2018 Time allowed: 1 hour 45 minutes Materials For this paper you must have: a ruler a calculator the Physics Equation Sheet (enclosed). Instructions Answer

### Area of Parallelograms, Triangles, and Trapezoids (pages 314 318) Area of Parallelograms, Triangles, and Trapezoids (pages 34 38) Any side of a parallelogram or triangle can be used as a base. The altitude of a parallelogram is a line segment perpendicular to the base

### Geometry and Measurement The student will be able to: Geometry and Measurement 1. Demonstrate an understanding of the principles of geometry and measurement and operations using measurements Use the US system of measurement for

### IV. POWER. P = W t. = E t. where W is the work done, t is the time required to do the work, and E is the energy used. 1 horsepower = 1 hp = 550 IV. POWER A. INTRODUCTION Power is the rate at which work is done. Work involves a force or force-like quantity acting on object and causing its displacement in the direction of the force. The time required

### SOLAR ENERGY. Solar Energy, Kit #6A: Efficiency of Solar Cells. Solar Energy, Kit #6B: Solar Extension Activities INSTITUTE FOR SCHOOL PARTNERSHIP SOLAR ENERGY Solar Energy, Kit #6A: Efficiency of Solar Cells Solar Energy, Kit #6B: Solar Extension Activities INSTITUTE FOR SCHOOL PARTNERSHIP PARC Contents: Topic Template 3 Introduction: Photovoltaic

### Fluids I. Level : Conceptual Physics/Physics I. Q1) Order the following materials from lowest to greatest according to their densities. Fluids I Level : Conceptual Physics/Physics I Teacher : Kim 1. Density One of the properties of any substances (solids, liquids and gases) is the measure of how tightly the material is packed together.

### Series and Parallel Circuits Series and Parallel Circuits Direct-Current Series Circuits A series circuit is a circuit in which the components are connected in a line, one after the other, like railroad cars on a single track. There

### Measuring Electric Phenomena: the Ammeter and Voltmeter Measuring Electric Phenomena: the Ammeter and Voltmeter 1 Objectives 1. To understand the use and operation of the Ammeter and Voltmeter in a simple direct current circuit, and 2. To verify Ohm s Law for

### GENERAL SCIENCE LABORATORY 1110L Lab Experiment 6: Ohm s Law GENERAL SCIENCE LABORATORY 1110L Lab Experiment 6: Ohm s Law OBJECTIVES: To verify Ohm s law, the mathematical relationship among current, voltage or potential difference, and resistance, in a simple circuit.

### Developing Conceptual Understanding of Number. Set J: Perimeter and Area Developing Conceptual Understanding of Number Set J: Perimeter and Area Carole Bilyk cbilyk@gov.mb.ca Wayne Watt wwatt@mts.net Perimeter and Area Vocabulary perimeter area centimetres right angle Notes

### Write True or False in the space provided. CP Physics -- Exam #7 Practice Name: _ Class: Date: Write True or False in the space provided. 1) Pressure at the bottom of a lake depends on the weight density of the lake water and on the volume of the

### Density and Archimedes Principle Density and Archimedes Principle Objectives: To understand the concept of density and its relationship to various materials. To understand and use Archimedes Principle. Equipment: Dial calipers, Graduated

### Topic Page Contents Page Heat energy (11-16) Contents Topic Page Contents Page Heat energy and temperature 3 Latent heat energy 15 Interesting temperatures 4 Conduction of heat energy 16 A cooling curve 5 Convection 17 Expansion

### 1.7. formulae and transposition. Introduction. Prerequisites. Learning Outcomes. Learning Style formulae and transposition 1.7 Introduction formulae are used frequently in almost all aspects of engineering in order to relate a physical quantity to one or more others. Many well-known physical laws

### 10-4-10 Year 9 mathematics: holiday revision. 2 How many nines are there in fifty-four? DAY 1 Mental questions 1 Multiply seven by seven. 49 2 How many nines are there in fifty-four? 54 9 = 6 6 3 What number should you add to negative three to get the answer five? 8 4 Add two point five to

### Complete tests for CO 2 and H 2 Link observations of acid reactions to species Acids and Bases 1. Name common acids and bases found at home and at school 2. Use formulae for common acids and bases 3. Give examples of the uses of acids and bases 4. State that all solutions are acidic,

### Electrical Fundamentals Module 3: Parallel Circuits Electrical Fundamentals Module 3: Parallel Circuits PREPARED BY IAT Curriculum Unit August 2008 Institute of Applied Technology, 2008 ATE310- Electrical Fundamentals 2 Module 3 Parallel Circuits Module

### Key. Name: OBJECTIVES Name: Key OBJECTIVES Correctly define: observation, inference, classification, percent deviation, density, rate of change, cyclic change, dynamic equilibrium, interface, mass, volume GRAPHICAL RELATIONSHIPS

### Experiment NO.3 Series and parallel connection Experiment NO.3 Series and parallel connection Object To study the properties of series and parallel connection. Apparatus 1. DC circuit training system 2. Set of wires. 3. DC Power supply 4. Digital A.V.O.

### VOLUME AND SURFACE AREAS OF SOLIDS VOLUME AND SURFACE AREAS OF SOLIDS Q.1. Find the total surface area and volume of a rectangular solid (cuboid) measuring 1 m by 50 cm by 0.5 m. 50 1 Ans. Length of cuboid l = 1 m, Breadth of cuboid, b

### EVERYDAY ENGINEERING EXAMPLES FOR SIMPLE CONCEPTS EVERYDAY ENGINEERING EXAMPLES FOR SIMPLE CONCEPTS Thermal Properties ENGR 3350 - Materials Science Dr. Nedim Vardar Copyright 2015 Thermal Properties of Materials Engage: MSEIP Engineering Everyday Engineering

### Course description: Introduces the student to basic electricity with an emphasis on Ohms Law. The following is presented for information purposes only and comes with no warranty. See http://www.bristolwatch.com/ Course Title: Basic Electricity and Ohms Law Course description: Introduces the student

### Minimize the Surface Area of a Square-Based Prism 9.3 Minimize the Surface Area of a Square-Based Prism The boxes used in packaging come in many shapes and sizes. A package must be suitable for the product, visually appealing, and cost efficient. Many

### Cambridge International Examinations Cambridge International General Certificate of Secondary Education ambridge International Examinations ambridge International General ertificate of Secondary Education *0123456789* PHYSIS 0625/02 Paper 2 Multiple hoice (Extended) For Examination from 2016 SPEIMEN PPER

### The Electrical Control of Chemical Reactions E3-1 Experiment 3 The Electrical Control of Chemical Reactions E3-1 E3-2 The Task In this experiment you will explore the processes of oxidation and reduction, in which electrons flow between materials, and Introduction to Electricity & Magnetism Dr Lisa Jardine-Wright Cavendish Laboratory Examples of uses of electricity Christmas lights Cars Electronic devices Human body Electricity? Electricity is the presence This sample chapter is for review purposes only. Copyright The Goodheart-Willcox Co., Inc. All rights reserved. Electricity Objectives After studying this chapter, you will be able to answer these questions:.