Physics Test 1A
 
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Physics Test 1A

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

 1. 

Which of the following is not a branch of biology?
a.
geology
c.
botany
b.
ecology
d.
medicine
 

 2. 

Technology can best be defined as
a.
science that uses computers.
b.
new inventions.
c.
applied science.
d.
the use of lenses and microscopes.
 

 3. 

Pure science is best defined as the
a.
continuing search for new knowledge.
b.
use of science to solve human problems.
c.
study of the makeup of living things.
d.
application of scientific knowledge.
 

 4. 

Scientific theories can be changed or replaced when
a.
new technology is invented.
b.
new discoveries are made.
c.
scientists decide to work on different problems.
d.
scientists make models of events or objects.
 

 5. 

The first step in the scientific method is usually
a.
making an observation.
c.
collecting data.
b.
forming a hypothesis.
d.
testing a hypothesis.
 

 6. 

What does it mean to say that “no experiment is a failure”?
a.
All experiments are observations of real events.
b.
All experiments yield the desired results.
c.
All experiments give scientists work to do.
d.
All experiments involve manipulating variables.
 

 7. 

Which instrument has been used to detect the oldest, most distant objects in the solar system?
a.
light telescope
c.
particle accelerator
b.
spectroscope
d.
radio telescope
 

 8. 

Which question cannot be answered by an experiment?
a.
Does penicillin kill Salmonella bacteria?
b.
Is rabies caused by a virus?
c.
Did a comet impact kill the dinosaurs?
d.
Can radiation cause cancer?
 

 9. 

The force with which gravity pulls on a quantity of matter is referred to as
a.
mass.
c.
volume.
b.
length.
d.
weight.
 
 
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 10. 

The sample contained the same number of pennies for which two years?
a.
1988 and 1992
c.
1994 and 1997
b.
1988 and 1991
d.
1994 and 1998
 

 11. 

What is the area of a room that is 4 ´ 102 cm long and 2 ´ 103 cm wide?
a.
6 ´ 103 cm2
c.
8 ´ 105 cm2
b.
8 ´ 103 cm2
d.
8 ´ 107 cm2
 

 12. 

A precise measurement is one that
a.
contains the correct number of significant figures.
b.
contains at least three significant figures.
c.
is close to the true value.
d.
is as exact as possible.
 

 13. 

Scientific methods
a.
are a general description of scientific thinking.
b.
are used to find and evaluate possible answers to problems.
c.
use critical thinking to solve scientific problems.
d.
All of the above
 

 14. 

A tool used to break light into a rainbowlike spectrum is the
a.
radio telescope.
c.
spectroscope.
b.
particle accelerator.
d.
telescope.
 

 15. 

Which tool would a scientist use to find information on the structure of an atom?
a.
radio telescope
c.
spectroscope
b.
particle accelerator
d.
telescope
 

 16. 

SI is considered a consistent system because it
a.
is used worldwide.
c.
dates back to 1795.
b.
uses derived units.
d.
has seven base units.
 

 17. 

Which unit is used to measure the height of a bookcase?
a.
kelvin
c.
kilogram
b.
meter
d.
mole
 

 18. 

Which unit is used to measure the mass of a computer?
a.
kelvin
c.
kilogram
b.
meter
d.
mole
 

 19. 

Convert 1,250 millimoles to moles.
a.
125 mol
c.
1.25 mol
b.
12.5 mol
d.
0.125 mol
 

 20. 

Most scientific questions are developed from
a.
research.
c.
observations.
b.
investigation.
d.
forming a hypothesis.
 

 21. 

After formulating a question, the next step of the scientific method is
a.
to research and collect data.
c.
to test a hypothesis.
b.
to perform an experiment.
d.
to state a conclusion.
 

 22. 

Critical thinking
a.
is based on facts.
c.
uses observations.
b.
uses logic.
d.
All of the above
 

 23. 

Which graph best shows a change in data over time?
a.
bar graph
c.
pie chart
b.
line graph
d.
All of the above
 

 24. 

Which type of graph best shows a comparison of several items or events?
a.
bar graph
c.
pie chart
b.
line graph
d.
All of the above
 

 25. 

Which type of graph best shows data that are parts of a whole?
a.
bar graph
c.
pie chart
b.
line graph
d.
All of the above
 

 26. 

Which of the following is equal to 5,800,000,000 cm?
a.
5.8 ´ 109 cm
c.
5.8 ´ 108 cm
b.
58 ´ 109 cm
d.
58 ´ 107 cm
 

 27. 

(5.2 ´ 106) ´ (5.0 ´ 103) =
a.
2.6 ´ 108
c.
2.6 ´ 109
b.
2.6 ´ 103
d.
2.6 ´ 1010
 

 28. 

How many significant figures are in 7.357?
a.
three
c.
four
b.
one
d.
five
 



 
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