Earth Science: Geology, the Environment, and the Universe

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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