Section #: 1.3
Communicating in Science
Practice Test
1.
A(n) __________ is an explanation that is based on the results of repeated experiments.
a.
hypothesis
b.
control
c.
theory
d.
law
Hint
2.
What is the dependent variable in the graph in Figure 3?
Time (s)
10
20
30
40
50
60
70
80
Mass of product (g)
1.5
3.2
4.3
6.0
7.7
9.2
10.4
12.1
a.
mass
b.
time
c.
product versus time
d.
weight
Hint
3.
Graphs and charts of data can be used for __________.
a.
testing the independent variable
b.
deciding on a control
c.
data analysis
d.
formation of a hypothesis
Hint
4.
What is the best method to show a change in volume over time?
a.
model
b.
theory
c.
law
d.
graph
Hint
5.
What explains the behavior of natural phenomena?
a.
experiments
b.
dependent variables
c.
scientific laws
d.
theories
Hint
