Section #: 1.3
Communicating in Science
Practice Test
1.
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.
time
b.
weight
c.
product versus time
d.
mass
Hint
2.
An __________ is an explanation that is based on the results of repeated experiments.
SC.H.1.4.1
a.
law
b.
theory
c.
hypothesis
d.
control
Hint
3.
What explains the behavior of natural phenomena?
SC.H.1.4.3
a.
scientific laws
b.
experiments
c.
dependent variables
d.
theories
4.
What is the best method to show a change in volume over time?
a.
law
b.
graph
c.
model
d.
theory
Hint
5.
Graphs and charts of data can be used for __________.
SC.H.1.4.1
a.
formation of a hypothesis
b.
testing the independent variable
c.
data analysis
d.
deciding on a control
Hint
