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Scientific Method Bellringer - اختبار
  • 1. What skill is a scientist using when she listens to the sounds that whales make?
A) Drawing conclusions
B) Making hypothesis
C) Making observations
D) Interpreting data
  • 2. Which question would be the best high level scientific question?
A) How long ago did dinosaurs live on Earth?
B) Who made the first microscope?
C) Does the amount of salt in water affect the temperature at which it boils?
D) How many giraffes live in Africa?3. Which of the following is NOT a rule when writing a hypothesis?
  • 3. Which of the following is NOT a rule when writing a hypothesis?
A) None of the above
B) It should be restated
C) It is an if/then statement
D) It is testable
  • 4. An experiment that tests only one factor at a time by using a comparison of a control group and an experimental group is?
A) A controlled experiment
B) A dependent variable
C) A theory
D) An independent variable
  • 5. Which of the following hypotheses is written correctly?
A) If I freeze a tennis ball, then it will not bounce as high.
B) If I heat up a tennis ball it will bounce high
C) If a tennis ball is frozen, it won't bounce as high as one that is not frozen
D) Frozen tennis balls will not bounce as high
  • 6. The process of obtaining information by using the senses is called a/an
A) Scientific method
B) Observation
C) Conclusion
D) Inquiry
  • 7. In an experiment, the one variable that is changed is called the
A) Experimental variable
B) Controlled variable
C) Dependent variable
D) Independent variable
  • 8. In an experiment, the factor that we measure is called the
A) Independent variable
B) Controlled variable
C) Conclusion
D) Dependent variable
  • 9. A scientist hypothesizes the temperature at which an alligator’s egg is incubated will determine whether the alligator will be male or female. The independent variable is
A) The temperature
B) The incubator
C) The male alligator
D) The gender of the alligator
  • 10. 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 independent 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
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