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

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

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

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

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

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

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

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

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

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) skip it and go to the next part
D) figure it out as you go

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

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

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

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

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

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

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

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 improve vision.
D) to avoid eye strain.

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.