Scientific Method and Lab Safety Quiz

Contribuido por: Jones

(Autor original: 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, analyze results, make a hypothesis, test the hypothesis, 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, 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 is a prediction.
B) it should restate the question
C) It is testable
D) It is an if/then statement

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

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

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

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

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

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

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

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

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) ask your teacher
D) skip it and go to the next part

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) immediately notify the teacher and those around you to the hazard, and never clean up yourself.
D) crush the remaining glass down for easier disposal.

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

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

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 teacher has the responsibility
C) only the person assigned to that task.
D) the principal mainly.

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

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

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

Otros exámenes de interés :

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

Examen creado con That Quiz — donde se hacen ejercicios de matemáticas y más.