How does having a large sample size improve an experiment?

It minimizes the effect of errors in the experiment.

Which is a question that can be answered by science?

How does increasing ocean acidification affect crustaceans?

Science is best described as

a way of knowing things about the natural world.

What is the dependent variable in Maria's experiment?

student performance on exam after studying

Which resource is most credible for a student researching effectiveness of a supplement?

Peer-reviewed scientific journal

What is the independent variable in the experiment in Maria's experiment?

listening to music or not while studying

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Biology Nature of Science Exam Review

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Review of Introduction to Biology and the Methods of Science

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Questions 15

Answers

1
When you use one or more of your five senses to know something you are making a(n):
observation.
data analysis.
hypothesis.
inference.
2
All cells come from preexisting cells. This statement is a(n):
hypothesis.
law.
inference.
theory.
3
How does having a large sample size improve an experiment?
You can test more than one independent variable.
It minimizes the effect of errors in the experiment.
You can publish your results in a scientific journal.
It increases the cost of the experiment.
4
Anna noticed the grass was wet. She thinks it's wet because it rained. This statement is a(n):
observation.
scientific law.
hypothesis.
inference.
5
What happens if your data does not support your hypothesis?
You reject the hypothesis.
Change your hypothesis so it looks like you were correct.
You fix your data to support your hypothesis and report it.
You give up on your experiment.
6
The single variable changed by the experimenter during scientific investigation is called a(n):
control variable
dependent variable
hypothesis
independent variable
7
Which statement below is a scientific theory?
d
b
c
a
8
Cody's shoes smell like rotten eggs. This statement is a(n):
theory.
hypothesis.
observation.
inference.
9
Which is a question that can be answered by science?
How does increasing ocean acidification affect crustaceans?
Should the USA lead efforts to colonize the Moon?
What is beauty?
Should college athletes be paid like professional athletes?
10
Science is best described as
chemistry, physics, biology, and astronomy.
a collection of unchanging beliefs.
complex observations organized into experiments.
a way of knowing things about the natural world.
11
In an experiment, the group that does NOT get the independent variable is the:
control group
design group
dependent group
experimental group
12
What is the dependent variable in Maria's experiment?
listening to music or silence while studying
student performance on exam after studying
number of students participating in the experiment
type of exam each student took after studying
13
Which resource is most credible for a student researching effectiveness of a supplement?
Newspaper
NBC.com website
Men's Health Magazine
Peer-reviewed scientific journal
14
Biology is the study of
stars and solar bodies.
atoms, elements, and chemical reactions.
living things.
the environment.
15
What is the independent variable in the experiment in Maria's experiment?
listening to music or not while studying
the type of test administered after studying
number of students in each group
student performance on exam after studying

Biology Nature of Science Exam Review Flashcards | StudBud