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Name: 
 

Practice Test 1st Six Weeks



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

1. 

Physical science is the study of_____.
a.
energy
b.
behavior
c.
living things
d.
matter
e.
matter and energy
 

2. 

When a physical scientist studies the makeup of matter, he or she is studying the matter's _____.
a.
behavior
c.
energy
b.
composition
d.
technology
 

3. 

The lightbulb is an example of _____.
a.
a dependent variable
c.
pure science
b.
an exercise
d.
technology
 

4. 

A physical scientist who studies heat and light is working with _____.
a.
energy
c.
properties of matter
b.
matter
d.
living organisms
 

5. 

Another term for technology is _____.
a.
applied science
c.
matter
b.
energy
d.
pure science
 

6. 

Physical science deals with the _____ of matter.
a.
energy
b.
composition
c.
living things
d.
properties
e.
properties and composition
 

7. 

The process of gathering information through the senses is called _____.
a.
analyzing
b.
conclusion
c.
hypothesizing
d.
inferring
e.
observation
 

8. 

A testable prediction about a possible solution to a problem is called _____.
a.
a conclusion
b.
an exercise
c.
an experiment
d.
a hypothesis
e.
a variable
 

9. 

When designing an experiment, the first step is to _____.
a.
analyze the data
c.
state a hypothesis
b.
list a procedure
d.
state the problem
 

10. 

A rule or principle that describes the behavior of something in nature is a _____.
a.
hypothesis
b.
problem
c.
scientific law
d.
theory
e.
variable
 

11. 

An explanation of an event that is based on repeated observations and experiments is a _____.
a.
hypothesis
b.
problem
c.
scientific law
d.
theory
e.
variable
 

12. 

A situation in which the steps needed to find a solution are obvious is _____.
a.
a hypothesis
b.
a problem
c.
an exercise
d.
an experiment
e.
a variable
 

13. 

An idea, structure, or system that can be used to represent something you are trying to explain is a _____.
a.
constant
b.
hypothesis
c.
law
d.
model
e.
variable
 

14. 

A process that uses certain skills to solve a problem is called _____.
a.
a hypothesis
b.
a problem
c.
a model
d.
an experiment
e.
critical thinking
 

15. 

A situation in which the steps needed to find a solution are NOT obvious is _____.
a.
a hypothesis
b.
a problem
c.
an exercise
d.
an experiment
e.
a variable
 

16. 

Sound energy traveling through air is an example of _____.
a.
energy
c.
energy transferred
b.
matter
d.
matter transferred through matter
 

17. 

In an experiment to determine whether the popping of popcorn is affected by the temperature at which it is stored, counting the popped kernels is an example of a(n) _____.
a.
conclusion
c.
hypothesis
b.
control
d.
observation
 

18. 

A standard for comparison that helps to ensure that the experimental result is caused by the condition being tested is the _____.
a.
constant
b.
control
c.
dependent variable
d.
hypothesis
e.
independent variable
 

19. 

A factor in an experiment that changes from the manipulation of the independent variable is the _____.
a.
constant
b.
control
c.
dependent variable
d.
hypothesis
e.
observation
 

20. 

A factor that does NOT change in an experiment is the _____.
a.
constant
b.
control
c.
dependent variable
d.
hypothesis
e.
independent variable
 

21. 

The reason for wearing safety goggles in a laboratory is to _____.
a.
improve eyesight
c.
protect the experimenter from burns
b.
protect clothing from chemical spills
d.
protect the eyes from harmful substances
 

22. 

An organized process used to gather observations and test a hypothesis is _____.
a.
an exercise
c.
a constant
b.
an experiment
d.
a problem
 

23. 

A factor that is manipulated in an experiment to change the dependent variable is the _____.
a.
constant
b.
control
c.
dependent variable
d.
hypothesis
e.
independent variable
 

24. 

The application of scientific knowledge to practical problems is _____.
a.
a discovery
c.
pure science
b.
a hypothesis
d.
technology
 

25. 

A measurement standard is defined as _____.
a.
a system of prefixes
b.
the distance between two points
c.
the exact quantity people agree to use for comparison
d.
the interval between two events
 

26. 

The prefix kilo- means _____.
a.
1000
b.
100
c.
0.01
d.
0.001
e.
0.0001
 

27. 

The prefix milli- means _____.
a.
1000
b.
100
c.
0.01
d.
0.001
e.
0.0001
 

28. 

The correct symbol for the SI unit of temperature is _____.
a.
ºC
b.
ºF
c.
K
d.
s
e.
T
 

29. 

The SI unit that is used to measure time is the _____.
a.
kelvin
b.
kilogram
c.
liter
d.
meter
e.
second
 

30. 

The variable plotted on the horizontal or x-axis of a graph is called the _____.
a.
dependent variable
c.
variable with the largest range
b.
independent variable
d.
variable with the smallest range
 

31. 

How many meters are there in 1865 cm?
a.
0.1865
b.
1.865
c.
18.65
d.
186.5
e.
18 650
 

32. 

In a graph showing temperature change of a material over time, temperature change is the _____.
a.
dependent variable
c.
variable with the largest range
b.
independent variable
d.
variable with the smallest range
 

33. 

The best type of graph to use to show how some fixed quantity is broken down into parts is a _____.
a.
bar graph
c.
circle graph
b.
line graph
d.
scatter graph
 

34. 

One benefit of the SI system is that it is _____.
a.
based on units of 100
b.
not used to measure temperature
c.
easy to convert from one unit to related units
d.
not used in the United States
 

35. 

A beaker contains 0.32 L of water. What is the volume of water in milliliters?
a.
320 mL
b.
32 mL
c.
3.2 mL
d.
0.32 mL
e.
0.032 mL
 

36. 

A box is 25 cm long, 6 cm wide, and 4 cm high. How many cubic centimeters of water can it hold?
a.
100
b.
25
c.
150
d.
24
e.
600
 

37. 

How many cubic centimeters are in one 0.354-L can of soda?
a.
0.0354
b.
3.54
c.
35.4
d.
354
e.
3540
 

38. 

Which of the following units CANNOT be used as a unit for volume?
a.
cm3
c.
L
b.
kg
d.
mL
 

39. 

Matter that has a definite volume and a definite shape is a _____.
a.
gas
c.
plasma
b.
liquid
d.
solid
 

40. 

Matter in which particles are arranged in repeating geometric patterns is a _____.
a.
gas
c.
plasma
b.
liquid
d.
solid
 

41. 

A gaslike mixture with no definite volume or shape that is made up of positively and negatively charged particles is a _____.
a.
gas
c.
plasma
b.
liquid
d.
solid
 

42. 

Matter with no definite volume and no definite shape is a _____.
a.
gas
c.
plasma
b.
liquid
d.
solid
 

43. 

Matter that has a definite volume but no definite shape is a _____.
a.
gas
c.
plasma
b.
liquid
d.
solid
 

44. 

Matter in which the particles are free to move in all directions until they have spread evenly throughout their container is a _____.
a.
gas
b.
liquid
c.
plasma
d.
solid
e.
buoyant
 

45. 

Most matter _____ when heated.
a.
condenses
c.
expands
b.
contracts
d.
solidifies
 

46. 

Water that contains such high levels of unwanted materials that it is unacceptable for drinking or other specific purposes is _____.
a.
condensed
b.
expanded
c.
fertilized
d.
polluted
e.
biodegradable
 

47. 

Excess heat in rivers is caused by _____ pollution.
a.
environmental
c.
air
b.
thermal
d.
water
 

48. 

The amount of energy needed to change a material from a solid state to the liquid state is called the heat of _____.
a.
condensation
b.
evaporation
c.
fertilization
d.
fusion
e.
vaporization
 

49. 

The amount of energy needed to change a material from a liquid state to a gas is called the heat of _____.
a.
condensation
b.
evaporation
c.
fertilization
d.
fusion
e.
vaporization
 

50. 

The pressure of a gas will increase as the volume of the container decreases, provided the temperature does NOT change is _____.
a.
Bernoulli's principle
b.
Boyle's law
c.
Charles's law
d.
Archimedes' principle
e.
Pascal's principle
 

51. 

The idea that the volume of a gas increases with increasing temperature provided the pressure does NOT change is _____.
a.
Bernoulli's principle
b.
Boyle's law
c.
Charles's law
d.
Archimedes' principle
e.
Pascal's principle
 

52. 

The buoyant force on an object in a fluid is equal to the weight of the fluid displaced by the object is _____.
a.
Bernoulli's principle
b.
Boyle's law
c.
Charles's law
d.
Archimedes' principle
e.
Pascal's principle
 

53. 

As the velocity of a fluid increases, the pressure exerted by the fluid decreases. This is _____.
a.
Bernoulli's principle
b.
Boyle's law
c.
Charles's law
d.
Archimedes' principle
e.
Pascal's principle
 

54. 

Pressure applied to the fluid that is transmitted unchanged throughout the fluid is _____.
a.
Bernoulli's principle
b.
Boyle's law
c.
Charles's law
d.
Archimedes' principle
e.
Pascal's principle
 

55. 

Hydraulic machines work by applying _____.
a.
Bernoulli's principle
b.
Boyle's law
c.
Charles's law
d.
Archimedes' principle
e.
Pascal's principle
 

56. 

Whether an object will sink or float in a fluid is determined by _____.
a.
Bernoulli's principle
b.
heat of fusion
c.
Charles's law
d.
the amount of buoyant force
e.
Pascal's principle
 

57. 

Bernoulli's principle explains why _____.
a.
boats float
b.
cooled objects contract
c.
heated objects expand
d.
heat of fusion exists
e.
planes fly
 

58. 

As a sample of matter is heated, its particles _____.
a.
are unaffected
c.
move more slowly
b.
move more quickly
d.
stop moving
 

59. 

The most common state of matter in the universe is a _____.
a.
gas
c.
plasma
b.
liquid
d.
solid
 

60. 

Hot water that is produced by electric power plants and released into rivers and streams causes _____.
a.
biodegradable waste
c.
thermal pollution
b.
salt water
d.
toxic water
 

61. 

The idea that matter is made up of small particles that are in constant motion is _____.
a.
Bernoulli's principle
b.
heat of fusion
c.
Charles's law
d.
the kinetic theory of matter
e.
Pascal's principle
 

62. 

The particles that make up a solid move _____ than do the particles that make up a gas.
a.
in the same way
c.
more quickly and farther
b.
more quickly
d.
more slowly
 

63. 

Pesticides, fertilizers, and industrial waste can all _____.
a.
cause thermal pollution
c.
pollute water supplies
b.
increase freshwater supplies
d.
produce salt water
 

64. 

As the temperature of a gas increases, the volume of the gas will _____, if the pressure remains the same.
a.
decrease
b.
increase
c.
remain the same
 

65. 

As the volume of a gas decreases, the pressure of the gas will _____, if the temperature remains the same.
a.
decrease
b.
increase
c.
remain the same
 



 
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