Scientific Method Bellringer

供稿人: Cook

1. What skill is a scientist using when she listens to the sounds that whales make?

A) Making hypothesis
B) Drawing conclusions
C) Interpreting data
D) Making observations

2. Which question would be the best high level scientific question?

A) How many giraffes live in Africa?3. Which of the following is NOT a rule when writing a hypothesis?
B) How long ago did dinosaurs live on Earth?
C) Does the amount of salt in water affect the temperature at which it boils?
D) Who made the first microscope?

3. Which of the following is NOT a rule when writing a hypothesis?

A) It should be restated
B) None of the above
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 theory
B) A controlled experiment
C) A dependent variable
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) Conclusion
C) Observation
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) Dependent variable
B) Controlled variable
C) Independent variable
D) Conclusion

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 gender of the alligator
B) The incubator
C) The temperature
D) The male 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 amount of salt in the water
B) The temperature of the water
C) The water
D) The number of plants in the water

参加了这次测试的学生也参加了 :

Distributive Property
Interpreting Graphs Review
Change Percent to Decimal (Heath)

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