Scientific Method and Lab Safety Quiz

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

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

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

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

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

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

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

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

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

A) conclusion
B) controlled variable
C) dependent 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 number of plants in the water
B) the amount of salt in the water
C) the temperature of 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) controlled variables or constants
D) independent 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) figure it out as you go
B) skip it and go to the next part
C) ask your teacher
D) try several methods until one works

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

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

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

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

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

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

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

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

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

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

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

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

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