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WorksheetsThe Science of Physics
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
Which of the following is an area of physics that studies motion and its causes
a)
thermodynamics
b)
mechanics
c)
quantum mechanics
d)
optics
2.
Listening to your favorite radio station involves which area of physics?
a)
optics
b)
thermodynamics
c)
vibrations and wave phenomena
d)
relativity
3.
A baker makes a loaf of bread. Identify the area of physics that this involves
a)
optics
b)
thermodynamics
c)
mechanics
d)
relativity
4.
according to the scientific method, why does a physicist make observations and collect data?
a)
to decide which parts of a problem are important
b)
to ask a question
c)
to make an interpretation
d)
to solve all problems
5.
In the steps of the scientific method, what is the next step after formulating and objectively testing hypotheses?
a)
interpreting results
b)
stating conclusions
c)
conducting experiments
d)
making observations and collecting data
6.
Why do physicists use models?
a)
to explain the complex features of simple phenomena
b)
to describe all aspects of a phenomenon
c)
to explain the basic features of complex phenomena
d)
to describe all of reality
7.
Which statement about models is not correct?
a)
Models describe only part of reality
b)
models help build hypotheses
c)
models help guide experimental design
d)
Models manipulate a single variable or factor in an experiment
8.
What two dimensions, in addition to mass, are commonly used by physicists to derive additional measurements?
a)
length and width
b)
area and mass
c)
length and time
d)
velocity and time
9.
The symbol mm represents a
a)
micrometer
b)
megameter
c)
millimeter
d)
manometer
10.
The SI base unit used to measure mass is the
a)
meter
b)
kilometer
c)
gram
d)
kilogram
11.
The SI base unit for time is
a)
1 day
b)
1 hour
c)
1 minute
d)
1 second
12.
A lack of precision in scientific measurements typically arises from
a)
limitations of the measuring instrument
b)
human error
c)
lack of calibration
d)
too many significant figures
13.
How does a scientist reduce the frequency of human error and minimize a lack of accuracy?
a)
Take repeated measurements
b)
Use the same method of measurement
c)
maintain instruments in good working order
d)
all of the above
14.
Five darts strike near the center of a target. The dart thrower is
a)
accurate
b)
precise
c)
both accurate and precise
d)
neither accurate nor precise
15.
Calculate the following, and express the answer in scientific notation with the correct number of significant figures:
21.4+15+17.17+4.003
21.4+15+17.17+4.003
a)
5.7573 x 101
b)
5.757 x 101
c)
5.75 x 101
d)
5.8 x 101
16.
The greek letter Δ indicates a(n):
a)
difference or change
b)
sum or total
c)
direct proportion
d)
inverse proportion
17.
The most appropriate SI unit for measuring the length of an automobile is the
a)
micron
b)
kilometer
c)
meter
d)
nanometer
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