WorksheetsIntroduction to Physical Science
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
The main branches of natural science are
a)
physics and chemistry
b)
biology, zoology, and ecology
c)
medicine and agriculture
d)
life, physical, and earth science
2.
What do scientists who do pure science do?
a)
They look for ways to use scientific knowledge to solve problems.
b)
They develop new uses for scientific knowledge.
c)
They do experiments to find out about the world.
d)
They build faster and more powerful computers.
3.
A scientific law is
a)
the same as a hypothesis.
b)
a description of a natural event.
c)
an explanation of a scientific observation.
d)
the conclusion of a scientific experiment.
4.
According to the graph, for which year was the smallest number of pennies found?
a)
1988
b)
1989
c)
1990
d)
1991
5.
Scientists test a hypothesis by
a)
formulating questions.
b)
designing models.
c)
doing experiments.
d)
drawing conclusions
6.
Maria is 123 centimeters tall. Her height in meters is
a)
0.0123 m.
b)
0.123 m.
c)
1.23 m.
d)
12.3 m.
7.
Which SI prefix means one one-hundredth (1/100)?
a)
nano-
b)
micro-
c)
milli-
d)
centi-
8.
A loaf of bread weighs 1362 g. The weight in kilograms is
a)
1.362 kg.
b)
1362 kg.
c)
0.1362 kg.
d)
0.013 62 kg.
9.
The speed of light is approximately 3 108 m/s. How would this bewritten in conventional notation?
a)
300 000 m/s
b)
3000 000 m/s
c)
30 000 000 m/s
d)
300 000 000 m/s
10.
You are asked to find the volume of a cube that is 2.5 cm high, 2.65 cmwide, and 3.456 cm long. How many significant figures should youshow in your answer?
a)
1
b)
2
c)
3
d)
4
11.
A measurement that is accurate is one that
a)
is as exact as possible
b)
is close to the true value.
c)
contains at least four significant figures.
d)
contains five decimal places.
12.
An important science skill is critical thinking. This means
a)
thinking logically to solve a problem.
b)
discovering the shortcomings of others.
c)
knowing when something is very important.
d)
testing a hypothesis during an experiment.
13.
A tool used by physicists to smash atoms is a
a)
spectroscope.
b)
stopwatch.
c)
particle accelerator.
d)
radio telescope.
14.
A mathematical representation of an object or event is a
a)
model
b)
variable
c)
control
d)
theory
15.
Any factor in an experiment that can change is referred to as a
a)
constant
b)
variable
c)
control
d)
data
16.
Combinations of the SI base units, which are used to measure quantities suchas volume, speed, and pressure, are called
a)
derived units
b)
controlled variables
c)
optional bias
d)
technologhy
17.
The number .000 9234 would be written in scientific notation as
a)
9.234 x 10 -3
b)
9.234 x 10 -1
c)
9.234 x 10 -7
d)
9.234 x 10-4
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