Scientific Method and Lab Safety Quiz

供稿人: Jones

(原作者: Ruffini)

1. What is the correct order of the steps in the scientific method.

A) Ask a question, make a hypothesis, test hypothesis, draw conclusions, analyze results, communicate results.
B) Ask a question, make a hypothesis, test the hypothesis, analyze results, draw conclusions, communicate results.
C) Make a hypothesis, test the hypothesis, analyze the results, ask a question, draw conclusions, communicate results.
D) Ask a question, analyze results, make a hypothesis, test the hypothesis, draw conclusions, communicate results.

2. Which of the following is NOT a rule when writing a hypothesis?

A) It is a prediction.
B) It is testable
C) it should restate the question
D) It is an if/then statement

3. A series of steps designed to help you solve problems and answer questions

A) observation
B) hypothesis
C) experiment
D) scientific method

4. In an experiment, the one variable that is changed is called the

A) dependent variable
B) controlled variable
C) independent variable
D) experimental variable

5. In an experiment, the factor that we measure is called the

A) dependent variable
B) controlled variable
C) independent variable
D) conclusion

6. A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. In this experiment the dependent variable is

A) the temperature of the water
B) the water
C) the number of plants in the water
D) the amount of salt in the water

7. All the things in an experiment that must be the same to make it fair are called

A) controlled variables or constants
B) independent variables
C) controlled experiments
D) dependent variables

8. In science, an educated guess is called a/an

A) hypothesis
B) question
C) observation
D) conclusion

9. If you do not understand a direction or part of a lab procedure you should

A) ask your teacher
B) try several methods until one works
C) figure it out as you go
D) skip it and go to the next part

10. If you break glassware, like a beaker you should

A) crush the remaining glass down for easier disposal.
B) sweep the glass off the table and put in the trash.
C) immediately notify the teacher and those around you to the hazard, and never clean up yourself.
D) conceal the accident so your group does not get in trouble.

11. If you have been injured in the laboratory (cut, burn,etc.) you should

A) tell the teacher immediately
B) see a doctor after school.
C) apply first aid yourself.
D) visit the nurse after class.

12. Whose responsibility is it to care for lab equipment and to report damage

A) only the teacher has the responsibility
B) the principal mainly.
C) only the person assigned to that task.
D) every person participating in a lab has the responsibility.

13. Horseplay, practical jokes, and pranks in the science lab are

A) not dangerous.
B) okay.
C) okay if you are working alone.
D) always against the rules.

14. What is the main classroom rule for this class?

A) there are no rules
B) stay in my seat
C) be quite at all times
D) respect myself and others

15. Approved eye protection devices, like goggles, are worn in the lab

A) only if you do not wear corrective lenses.
B) any time your teacher instructs you to wear them.
C) to avoid eye strain.
D) to improve vision.

参加了这次测试的学生也参加了 :

Ch. 7 lesson 1 p.167-169
Introduction to genetics
Ch 2 Test-Interaction of living things

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