TEST CODE: 012014 Answer Section

ID: A TEST CODE: 012014 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

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

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

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

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

ID: A 35. ANS: D never use arrows. DIF: M OBJ: Biological Diagram TOP: Intro to Science: bio diagrams 6

ID: B TEST CODE: 012015 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

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

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

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

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

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