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Physical Science 9th chapter 1

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

What are three areas of science that use physical science?
a.
astrology, geology and biology
b.
meteorology, phrenology, and geology
c.
geology, meteorology, and biology
d.
meteorology, cosmology, and astrology
 

 2. 

What are three common kinds of scientific models?
a.
physical, psychological, conceptual
b.
physical, mathematical, conceptual
c.
biological, chemical, mathematical
d.
mathematical, chemical, physical
 

 3. 

What type of scientific model would be used to describe how the planets and galaxies were formed?
a.
chemical
c.
physical
b.
psychological
d.
conceptual
 

 4. 

What is a scientific law?
a.
the final answer to a scientific question
b.
a scientific statement of how something works, not why
c.
an explanation of many experimental results and observations
d.
an explanation of hypotheses, results, and observations
 

 5. 

What are some tools used to collect and analyze scientific data?
a.
thermometer, drill, computer, screwdriver
b.
calculator, computer, printer, scanner
c.
scissors, meterstick, calculator, paper clip
d.
meterstick, balance, thermometer, computer
 

 6. 

What is the basic unit of length that a scientist is likely to use?
a.
foot
c.
meter
b.
micrometer
d.
inch
 

 7. 

Which of the following is a good safety rule to follow?
a.
Take shortcuts if there is no danger.
b.
Read lab instructions, but change them if you want to.
c.
Follow the teacher’s instructions, but feel free to modify them.
d.
Pay attention to safety information and safety symbols.
 

 8. 

What is the study of the structures and properties of matter?
a.
biology
c.
chemistry
b.
physics
d.
geography
 

 9. 

What is energy?
a.
the ability to do work
c.
something in motion
b.
matter that is moving
d.
food converted to motion
 

 10. 

The scientific process begins with asking questions and
a.
making observations.
c.
planning experiments.
b.
reading background.
d.
answering them.
 

 11. 

A conclusion at the end of a scientific investigation
a.
can be that your results either support or do not support your hypothesis.
b.
can be that your results have proven your hypothesis beyond any doubt.
c.
usually will not give you any guidance in deciding what to do next.
d.
is usually the final word on the subject until someone proves otherwise.
 

 12. 

Which of the following might a scientist do to communicate scientific results?
a.
tell close friends and relatives
c.
write song lyrics
b.
rely on word of mouth
d.
write a scientific paper
 

 13. 

What is the importance of the International System of Units?
a.
It is the oldest system, and the most widely used.
b.
It is the oldest system, and the most secure.
c.
It is an easy system and used by scientists all over the world.
d.
It is an easy system, and the least reliable.
 

 14. 

What are the steps that scientists use to answer questions and solve problems?
a.
measurement
c.
physical science
b.
observation
d.
scientific methods
 

 15. 

Identify three areas of science that use physical science.
a.
cosmetology, biology, physics
c.
astrology, geology, biology
b.
physics, psychology, geology
d.
meteorology, geology, biology
 

 16. 

What is physical science?
a.
the study of rocks and soil
c.
the study of nonliving matter
b.
the study of weather
d.
the study of living matter
 

 17. 

What do we call a testable explanation based on observation?
a.
theory
c.
physical science
b.
hypothesis
d.
scientific law
 

 18. 

What does all matter have, whether it is moving or still?
a.
energy
c.
life
b.
motion
d.
parts
 

 19. 

Which of the following is always a safety rule?
a.
Work as fast as possible.
b.
Never light a fire.
c.
Always follow your teacher’s instructions.
d.
Take shortcuts if they are not dangerous.
 

 20. 

What is energy?
a.
the ability to do work
c.
fossil fuels
b.
matter in motion
d.
power from the sun
 



 
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