Scientific Method Unit Test

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

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

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 questions, make a hypothesis, test the hypothesis, analyze results, draw conclusions, communicate results.
C) Make a hypothesis, test the hypothesis, analyze the results, ask a question, draw conclusions, communicate results.
D) Ask a question, analyze results, make a hypothesis, test the hypothesis, draw conclusions, communicate results.

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

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

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

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

6. Which of the following hypotheses is written correctly?

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

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

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

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

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

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

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

10. In an experiment, the factor that we measure is called the

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

11. A scientist hypothesizes the 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 incubator
B) the male alligators
C) the temperature
D) the gender of the alligator

12. A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable is

A) the gender of the baby alligators
B) the incubator
C) the size of the baby alligators
D) the temperature

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 amount of salt in the water
B) the number of plants in the water
C) the water
D) the temperature of 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 temperature of the water
B) the number of plants in the water
C) 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) independent variables
B) dependent variables
C) controlled variables or constants
D) controlled experiments

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

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

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

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

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

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

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

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

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

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

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

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

22. Which unit of measure is NOT used in the International System of Units

A) centimeters
B) grams
C) inches
D) milliliters

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

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

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

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

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

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

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

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

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

28. A conclusion reached on the basis of evidence and reasoning is a/an

A) theory
B) hypothesis
C) conclusion
D) inference

29. A series of steps followed to solve problems is

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

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

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

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

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