ThatQuiz ספריית תרגולים פתור תרגול זה עכשיו
Scientific Method and Lab Safety Quiz
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) Ask a question, analyze results, make a hypothesis, test the hypothesis, draw conclusions, communicate results.
C) Ask a question, make a hypothesis, test the hypothesis, analyze results, draw conclusions, communicate results.
D) Make a hypothesis, test the hypothesis, analyze the results, ask a question, 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 testable
C) It is an if/then statement
D) it should restate the question
  • 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) dependent variable
D) controlled variable
  • 5. In an experiment, the factor that we measure is called the
A) independent variable
B) conclusion
C) dependent variable
D) controlled 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 water
B) the number of plants in the water
C) the amount of salt 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) dependent variables
B) independent variables
C) controlled experiments
D) controlled variables or constants
  • 8. In science, an educated guess is called a/an
A) observation
B) question
C) conclusion
D) hypothesis
  • 9. If you do not understand a direction or part of a lab procedure you should
A) figure it out as you go
B) skip it and go to the next part
C) ask your teacher
D) try several methods until one works
  • 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) 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) only the person assigned to that task.
B) the principal mainly.
C) every person participating in a lab has the responsibility.
D) only the teacher 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) 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 avoid eye strain.
C) any time your teacher instructs you to wear them.
D) to improve vision.
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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