Name ____________________________ Date ____________________ Class ____________ Introduction to Physical Science
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Chapter Test
Introduction to Physical Science Multiple Choice Write the letter of the correct answer on the line at the left. ____ 1. Using one or more of your senses to gather information is called a. observing. b. scientific inquiry. d. inferring. c. communicating. ____ 2. You are inferring when you a. make a forecast of what will happen in the future. b. develop an imaginative way to solve a problem. c. explain or interpret the things you observe. d. draw a conclusion about a hypothesis. ____ 3. A factor that can change in an experiment is called a a. conclusion. b. variable. c. hypothesis. d. theory. ____ 4. In an experiment, the one variable that is purposely changed to test a hypothesis is called the a. controlled variable. b. data. c. manipulated variable. d. responding variable. ____ 5. A well-tested explanation for a wide range of observations or experimental results is a a. scientific law. b. responding variable. c. manipulated variable. d. scientific theory. ____ 6. How people change the world around them to meet their needs or to solve practical problems is called a. technology. b. feedback. c. science. d. design. ____ 7. What is a factor that limits or restricts a design? a. goal b. constraint c. trade-off d. prototype ____ 8. The process in which group members freely suggest any creative solutions to a problem is called a. troubleshooting. b. brainstorming. c. evaluating. d. researching.
Name ____________________________ Date ____________________ Class ____________ Introduction to Physical Science
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Chapter Test
____ 10. What is the result or product of a technological system? a. goal b. feedback c. technology d. output
Completion Fill in the line to complete each statement. 11. Physical science is divided into two main areas: chemistry and ________________________ . 12. An experiment in which only one variable is manipulated at a time is called a(n) ________________________ experiment. 13. A(n) ________________________ is a statement that describes what scientists expect to happen every time under a particular set of circumstances. 14. A(n) ________________________ is a person trained to use both technology and scientific knowledge to solve practical problems. 15. ________________________ is information a system uses to monitor the input, processes, and output so that the system can adjust itself.
True or False If the statement is true, write true. If it is false, change the underlined word or words to make the statement true. ________________ ________________ ________________ ________________ ________________
16. A(n) quantitative observation deals with a number, or amount. 17. A(n) variable is a possible answer to a scientific question or explanation for a set of observations. 18. A(n) responding variable is the factor in an experiment that is purposely changed to test a hypothesis. 19. The process of analyzing a design problem and finding a way to fix it is called communicating. 20. A working model used to test a design is called a system.
9. The purpose of a technological system is called its a. output. b. input. c. goal. d. constraint.
Name ____________________________ Date ____________________ Class ____________ Introduction to Physical Science
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Chapter Test
Using Science Skills Answer the following questions in the spaces provided. 21. Comparing and Contrasting What is the difference between qualitative observations and quantitative observations? _________________________________________________________________________ _________________________________________________________________________ _________________________________________________________________________ 22. Applying Concepts What is the most important safety rule when performing a lab? _________________________________________________________________________ _________________________________________________________________________ _________________________________________________________________________
Using Science Skills: Interpreting Diagrams Use the diagram below to answer Questions 23–25. 23. Complete the flowchart by writing the stages of the technology design process in the order in which they typically occur.
Name ____________________________ Date ____________________ Class ____________ Introduction to Physical Science
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Chapter Test
24. Describe what occurs during the fourth stage of the process. _________________________________________________________________________ _________________________________________________________________________ _________________________________________________________________________ _________________________________________________________________________ 25. What is involved in communicating the solution? _________________________________________________________________________ _________________________________________________________________________ _________________________________________________________________________ _________________________________________________________________________ _________________________________________________________________________
Name ____________________________ Date ____________________ Class ____________ Introduction to Physical Science
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Chapter Test
29. What should you do if an accident occurs while performing a lab investigation? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 30. How have technological advancements affected society in the past and how do they affect society today? Are the effects of such advancements always good? Give examples. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________
