ThatQuiz ספריית תרגולים פתור תרגול זה עכשיו
Scientific Method and Lab Safety Quiz - חִידוֹן
נתרם על ידי: Jones
(מחבר מקורי: Ruffini)
  • 1. What is the correct order of the steps in the scientific method.
A) Ask a question, make a hypothesis, test hypothesis, draw conclusions, analyze results, communicate results.
B) Make a hypothesis, test the hypothesis, analyze the results, ask a question, draw conclusions, 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 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) scientific method
B) hypothesis
C) observation
D) experiment
  • 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) dependent 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 water
B) the amount of salt in the water
C) the number of plants in the water
D) the temperature of the water
  • 7. All the things in an experiment that must be the same to make it fair are called
A) controlled experiments
B) independent variables
C) dependent variables
D) controlled variables or constants
  • 8. In science, an educated guess is called a/an
A) question
B) hypothesis
C) observation
D) conclusion
  • 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) immediately notify the teacher and those around you to the hazard, and never clean up yourself.
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) visit the nurse after class.
B) apply first aid yourself.
C) tell the teacher immediately
D) see a doctor after school.
  • 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) okay if you are working alone.
C) okay.
D) always against the rules.
  • 14. What is the main classroom rule for this class?
A) be quite at all times
B) there are no rules
C) respect myself and others
D) stay in my seat
  • 15. Approved eye protection devices, like goggles, are worn in the lab
A) to improve vision.
B) to avoid eye strain.
C) any time your teacher instructs you to wear them.
D) only if you do not wear corrective lenses.
תלמידים שפתרו תרגול זה פתרו גם :
Ch. 7 lesson 1 p.167-169
Introduction to genetics
Ch 2 Test-Interaction of living things
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