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Hypotheses, Theories, and Laws — Quiz Answers

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1
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A testable hypothesis could be formed from which question?

A
Why are gerbils more popular as pets than hamsters are?
B
Are red tulips prettier than tulips of other colors?
C
When whales jump out of water, are they happy?
D
Are bass more active in the daytime than at night?
2
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How should you test a hypothesis?

A
by performing a controlled experiment
B
by answering a series of questions
C
by writing a mathematical equation
D
by making a single observation
3

The statement “force equals mass times acceleration open paren cap f is equal to ma close paren ” is Newton’s second law of motion. Why is this a law rather than a theory?

A
It states, rather than explains, the relationship between the variables.
B
It may be revised if new information shows that the relationship has changed.
C
It was classified as a law because it is related to other similar discoveries.
D
It cannot be proven, whereas a theory can be proven.
4

What do hypotheses, theories, and laws have in common?

A
data
B
explanations
C
observations
D
predictions
6

Conlan wants to answer the question, “Does phosphorus affect tomato fruit production?” Which statement represents a hypothesis that he can test to answer his question?

A
If phosphorus affects tomato fruit production, then plants that are fertilized with phosphorus will produce more tomatoes.
B
If phosphorus affects tomato fruit production, then tomatoes that are fertilized with phosphorus will have larger leaves.
C
If phosphorus affects tomato fruit production, then adding phosphorus to the soil will make tomatoes taste better.
D
If phosphorus affects tomato fruit production, then phosphorus should be added to the soil during planting.
7

Which occurs directly before forming a hypothesis?

A
drawing a conclusion
B
proposing a law
C
developing a testable question
D
analyzing experimental data
8

How does a law differ from a theory?

A
A law is a theory that has been proven to be true and universal.
B
A theory is a group of hypotheses that prove a law is true.
C
A theory is a proposed law that has not yet been peer reviewed.
D
A law is a statement of fact, but a theory is an explanation.
9

Which is the correct order in the scientific process?

A
ask a question right arrow make an observation right arrow form a hypothesis
B
make an observation right arrow ask a question right arrow form a hypothesis
C
ask a question right arrow form a hypothesis right arrow make an observation
D
make an observation right arrow form a hypothesis right arrow ask a question

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