Earth Science: Geology, the Environment, and the Universe, New York

Section 3: Communicating in Science

Communicating in Science

1.
A(n) __________ is an explanation that is based on the results of repeated experiments.
A)law
B)hypothesis
C)control
D)theory
2.
What is the best method to show a change in volume over time?
A)graph
B)model
C)law
D)theory
3.
What is the dependent variable in the graph in the figure below?
Time (s)1020304050607080
Mass of product (g)1.53.24.36.07.79.210.412.1

A)time
B)mass
C)weight
D)product versus time
4.
Graphs and charts of data can be used for __________.
A)data analysis
B)testing the independent variable
C)deciding on a control
D)formation of a hypothesis
5.
What explains the behavior of natural phenomena?
A)theories
B)dependent variables
C)scientific laws
D)experiments
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