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Scientific Method and Lab Safety Quiz
Con il contributo di: Jones
(Autore originale: Ruffini)
  • 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 is testable
B) It is an if/then statement
C) it should restate the question
D) It is a prediction.
  • 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) experimental variable
B) independent variable
C) controlled variable
D) dependent variable
  • 5. In an experiment, the factor that we measure is called the
A) controlled variable
B) independent 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 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 variables or constants
B) independent variables
C) dependent variables
D) controlled experiments
  • 8. In science, an educated guess is called a/an
A) hypothesis
B) conclusion
C) question
D) observation
  • 9. If you do not understand a direction or part of a lab procedure you should
A) ask your teacher
B) skip it and go to the next part
C) try several methods until one works
D) figure it out as you go
  • 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) apply first aid yourself.
B) see a doctor after school.
C) visit the nurse after class.
D) tell the teacher immediately
  • 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) only the person assigned to that task.
D) every person participating in a lab has the responsibility.
  • 13. Horseplay, practical jokes, and pranks in the science lab are
A) not dangerous.
B) always against the rules.
C) okay if you are working alone.
D) okay.
  • 14. What is the main classroom rule for this class?
A) there are no rules
B) stay in my seat
C) respect myself and others
D) be quite at all times
  • 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.
Studenti hanno provato anche :
Ch. 7 lesson 1 p.167-169
Introduction to genetics
Ch 2 Test-Interaction of living things
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