Scientific Method and Lab Safety Quiz

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

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

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

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

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

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

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

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

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

A) independent variable
B) conclusion
C) controlled variable
D) dependent 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 amount of salt in the water
B) the temperature of 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) dependent variables
B) controlled variables or constants
C) controlled experiments
D) independent variables

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

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

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

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

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

A) sweep the glass off the table and put in the trash.
B) crush the remaining glass down for easier disposal.
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) apply first aid yourself.
B) see a doctor after school.
C) tell the teacher immediately
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) every person participating in a lab has the responsibility.
D) only the person assigned to that task.

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

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

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

A) stay in my seat
B) be quite at all times
C) there are no rules
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) to improve vision.
C) any time your teacher instructs you to wear them.
D) to avoid eye strain.

الطلاب الذين أجروا هذا الاختبار خضعوا أيضًا :

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

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