The Nature of Science
Practice Test
1.
An __________ is an explanation that is based on the results of repeated experiments.
SC.H.1.4.1
a.
hypothesis
b.
law
c.
control
d.
theory
2.
What is the best method to show a change in volume over time?
a.
graph
b.
model
c.
theory
d.
law
3.
What explains the behavior of natural phenomena?
SC.H.1.4.3
a.
scientific laws
b.
dependent variables
c.
experiments
d.
theories
4.
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.
weight
b.
product versus time
c.
mass
d.
time
5.
What is a hypothesis?
SC.H.1.4.1
a.
A hypothesis is the answer to a scientific question.
b.
A hypothesis is the same as identifying the problem in the scientific method.
c.
A hypothesis is the first step of the scientific method.
d.
A hypothesis is a suggested explanation of an observation.
6.
What part of an experiment is used to show that results are due to the condition being tested?
SC.H.1.4.1
a.
hypothesis
b.
independent variable
c.
control
d.
dependent variable
7.
Which temperature scale is the standard in SI?
a.
the Kelvin scale
b.
the Celsius scale
c.
the Fahrenheit scale
d.
the absolute zero scale
8.
How is 100 000 000 written in scientific notation?
a.
1 x 100
8
b.
1 x 100 000 000
c.
1 x 10
-8
d.
1 x 10
8
9.
What is the standard SI unit of weight?
a.
ounce
b.
pound
c.
newton
d.
gram
10.
Graphs and charts of data can be used for __________.
SC.H.1.4.1
a.
formation of a hypothesis
b.
deciding on a control
c.
testing the independent variable
d.
data analysis
