Scientific Method Unit Test-2016

(原作者: Ruffini)

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

A) drawing conclusions
B) making a hypothesis
C) making observations
D) interpreting data

2. 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 questions, 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.

3. Which question would be the best high level thinking scientific question?

A) How long ago did dinosaurs live on the Earth?
B) How many giraffes live in Africa?
C) Who made the first microscope?
D) Does the amount of salt in water affect the temperature at which it boils?

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

A) it should restate the question
B) It is a prediction.
C) It is an if/then statement
D) It is testable

5. 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) an independent variable
C) a theory
D) a dependent variable

6. Which of the following hypothesis is written correctly?

A) If I freeze a tennis ball, then it will not bounce as high.
B) Frozen tennis balls will not bounce as high.
C) If I heat up a tennis ball it will bounce high.
D) If a tennis ball is frozen, it won't bounce as high as one that is not frozen.

7. The process of obtaining information by using the senses is called a/an

A) scientific method
B) observation
C) inquiry
D) conclusion

8. A series of steps designed to help you solve problems and answer questions

A) scientific method
B) experiment
C) observation
D) hypothesis

9. In an experiment, the one variable that is changed is called the

A) experimental variable
B) controlled variable
C) dependent variable
D) independent variable

10. In an experiment, the factor that we measure (the one responding to our independent variable) is called the

A) conclusion
B) controlled variable
C) independent variable
D) dependent variable

11. A scientist hypothesizes the the temperature of the soil in which yellow rose bushes are planted in will determine the height of the plant. The independent variable is

A) the rose petals
B) the amount of rain
C) the temperature
D) the height of the rose bushes

12. A scientist hypothesizes the the temperature of the soil in which yellow rose bushes are planted in will determine the height of the plant. The dependent variable is

A) the temperature
B) the height of the rose bushes
C) the amount of rain
D) the number of rose petals

13. 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 temperature of the water
D) the amount of salt in the water

14. 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 temperature of the water
C) the number of plants in the water
D) the amount of salt in the water

15. All the things in an experiment that must be the same to make it fair are called

A) constants
B) dependent variables
C) controlled experiments
D) independent variables

16. In science, an educated guess is called a/an

A) hypothesis
B) conclusion
C) question
D) observation

17. When you decide whether or not the data supports the original hypothesis, you are

A) forming a hypothesis
B) asking questions
C) drawing conclusions
D) making observations

18. When a scientist shares her findings with other scientists, she is

A) experimenting
B) analyzing data
C) communicating results
D) making a hypothesis

19. If you were measuring the mass of a fly, you should use

A) kilograms
B) meters
C) liters
D) grams

20. If you wanted to know volume of water in a large+ bottle of soda, you would use

A) milliliters
B) grams
C) kiloliters
D) liters

21. If you wanted to measure the distance from here to Salt Lake City, you would use

A) centimeters
B) kilometers
C) millimeters
D) meters

22. This tool is used to measure volume (as we used in our science experiment with our ice cubes)

A) graduated cylinder
B) spring scale
C) funnel
D) Styrofoam cup

23. In which step of the scientific method do we want to use graphs

A) make a hypothesis
B) communicate results
C) analyze data
D) asking questions

24. The final part; a summary of reasonable inferences is a/an

A) conclusion
B) question
C) controlled experiment
D) hypothesis

25. Which of the following is important when creating a graph in science?

A) neatness
B) labels
C) all of these
D) titles

26. A scientist who wants to study the affects of fertilizer on plants sets up an experiment. Plant A gets no fertilizer, Plant B gets 5 mg. of fertilizer each day, and Plant C gets 10mg. of fertilizer each day. Which plant is the control group.

A) Plant A
B) Plant B
C) All of them
D) Plant C

27. A scientific procedure/step that is used to make a discovery, test a hypothesis, or demonstrate a known fact is a/an

A) theory
B) experiment
C) law
D) hypothesis

28. What step follows "forming a hypothesis" in the scientific method?

A) research
B) conduct and experiment
C) make a conclusion
D) share your results

29. A series of steps followed to solve problems is

A) investigations
B) the scientific method
C) standard procedures
D) experimental guidelines

30. The best graph to use if I want to compare the price of six different cars would be a

A) data table
B) bar graph
C) line graph
D) pie graph

31. Why is it important to conduct scientific tests more than one time?

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