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 the hypothesis, analyze results, draw conclusions, communicate results.
B) Ask a question, make a hypothesis, test hypothesis, draw conclusions, analyze results, 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 an if/then statement
B) It is a prediction.
C) It is testable
D) it should restate the question

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

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

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

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

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

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

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 amount of salt in the water
C) the number of plants in the water
D) the water

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

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

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

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

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

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

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

A) crush the remaining glass down for easier disposal.
B) immediately notify the teacher and those around you to the hazard, and never clean up yourself.
C) sweep the glass off the table and put in the trash.
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) apply first aid yourself.
B) tell the teacher immediately
C) see a doctor after school.
D) visit the nurse after class.

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

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

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

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

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

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

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

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

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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