Bell Work: 3/31/10

1. Bell Work: 3/31/10 TCAP Review Practice Book Science #43-45 Pg. 125 Finish the Chapter 1 packet & study!

2. a. assistive bioengineering b. cost-benefit analysis c. adaptive bioengineering d. engineering design process e. Technology engineering that changes living things

3. a. assistive bioengineering b. cost-benefit analysis c. adaptive bioengineering d. engineering design process e. Technology engineering that does not change living things

4. a. assistive bioengineering b. cost-benefit analysis c. adaptive bioengineering d. engineering design process e. Technology the process engineers use to develop new technology

5. a. assistive bioengineering b. cost-benefit analysis c. adaptive bioengineering d. engineering design process e. Technology the process that determines if a product is worth developing

6. a. assistive bioengineering b. cost-benefit analysis c. adaptive bioengineering d. engineering design process e. Technology products and processes designed to serve our needs

7. a. physical model b. conceptual model c. mathematical model a system of ideas or a comparison to familiar things to explain an idea

8. a. physical model b. conceptual model c. mathematical model something that looks or acts like an object it represents

9. a. physical model b. conceptual model c. mathematical model a description made up of mathematical equations and data

10. a. Balance b. spring scale c. thermometer d. Stopwatch e. graduated cylinder measures time

11. a. Balance b. spring scale c. thermometer d. Stopwatch e. graduated cylinder measures temperature

12. a. Balance b. spring scale c. thermometer d. Stopwatch e. graduated cylinder measures mass

13. a. Balance b. spring scale c. thermometer d. Stopwatch e. graduated cylinder measures volume

14. When you answer questions by performing an activity that includes careful observation, you are using a. science. b. experimentation. c. resources. d. questioning.

15. An experiment that compares the results from a control group with the results from one or more experimental groups is a(n) a. observation. b. controlled experiment. c. hypothesis. d. analysis.

16. To explain an observation you have made, you could develop a(n) a. scientific law. b. theory. c. mathematical model. d. hypothesis.

17. After making a hypothesis, a scientist must a. analyze the results. b. test it with experiments. c. share it with other scientists. d. draw conclusions.

18. Something that helps you do a task is a(n) a. model. b. measurement. c. tool. d. volume.

19. What does a spring scale measure? a. Length b. Volume c. Force d. mass

20. The unit of measurement for a large, solid object is a(n) a. cubic millimeter. b. cubic centimeter. c. cubic meter. d. liter.

21. What is the purpose of using scientific methods? a. to think of a question about the world b. to follow steps in order c. to answer questions and solve problems d. to make careful observations

22. A limitation of a mathematical model is that it a. is based on a comparison. b. does not act like a real thing. c. does not use scientific laws. d. depends on many variables.

23. The process of gathering knowledge about the natural world is called a. research. b. observation. c. investigation. d. science.

24. What is the first step of a scientific investigation? a. conducting an experiment b. asking a question c. drawing a conclusion d. making a prediction

25. Any use of the senses to gather information is called a(n) a. hypothesis. b. prediction. c. conclusion. d. observation.

26. A variable a. is found in an uncontrolled experiment. b. is the factor that changes in an experiment. c. cannot change. d. is rarely included in experiments.

27. A model that an engineer uses to test a product design is called a. a mathematical model b. a prototype c. a hypothesis d. a conceptual model

28. Which of these is an intended benefit of cell phone technology? a. the creation of new jobs b. convenient communication c. camouflaged relay towers d. noise pollution in public places

29. Which of these is a negative unintended consequence of cell phone technology? a. the creation of new jobs b. convenient communication c. camouflaged relay towers d. noise pollution in public places

30. What is an unintended consequence of technology? a. a negative result of an engineering design b. results or uses of technology not part of the engineering design c. a positive purpose for which technology is used d. results or uses of technology that are part of the engineering design

31. What is bioengineering? a. The application of biology to machines. b. The application of engineering to living things. c. The application of living things to natural design. d. The application of engineering to non-living things.

32. Which of the following is an assistive bioengineered product or process? a. a pair of crutches b. an artificial heart c. a blood transfusion d. cataract surgery

33. Sleep apnea is a condition in which the sleeper stops breathing for many short periods of time. Which treatment is adaptive? a. pillow that positions the sleeper on his/her side b. continuous positive airway pressure (CPAP) machine that forces air into the sleeper c. a mouth guard that helps the sleeper continue to breathe d. surgery that creates more open airways

34. a. Volume b. Mass c. temperature d. Density e. Area a measure of how much surface an object has

35. a. Volume b. Mass c. temperature d. Density e. Area the amount of matter in a given volume

36. a. Volume b. Mass c. temperature d. Density e. Area a measure of how hot or cold something is

37. a. Volume b. Mass c. temperature d. Density e. Area the amount of matter that makes up an object

38. a. Volume b. Mass c. temperature d. Density e. Area the amount of space that something occupies or contains

39. a. Balance b. spring scale c. thermometer d. Stopwatch e. graduated cylinder measures force