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PHYSICAL SCIENCE REVIEW
Test Description: SCIENCE REVIEW 6-8
Instructions: Answer all questions to get your test result.
1) Which of the following is a renewable resource?
A
Petroleum
B
Uranium
C
Wood
D
Natural gas
2) Which of the following is an example of static electricity?
A
A balloon sticks to a wall after it is rubbed with a piece of wool.
B
A magnet sticks to a refrigerator door made of metal.
C
A dry-cell battery connected to wires lights up a light bulb.
D
A light switch that is turned on runs a ceiling fan.
3) A coal-burning facility is constructed in an area containing several pond ecosystems. How will this human activity most likely affect the pond ecosystems?
A
More nutrients will be available.
B
Disease will become less common.
C
Organism diversity will increase.
D
Water quality will be reduced.
4) Which of the following is an example of potential energy?
A
A ball rolling along a sidewalk
B
A glass jar sitting on a shelf
C
A battery powering a radio
D
A flag waving in the wind
5) Which of these best describes the particle motion taking place as gas is exposed to freezing temperatures?
A
The motion of the particles becomes random.
B
The particles decrease in speed.
C
The motion of the particles is unchanged.
D
The particles move with more force.
6) As the energy needs for Virginia increase, new sources of energy are required to replace or supplement the nonrenewable sources of energy now in use. Two sources of energy that are
A
wind power and solar power
B
natural gas and wind power
C
coal and hydropower
D
petroleum and solar power
7) What is one advantage of using a hydroelectric plant?
A
It provides renewable energy to human populations.
B
It is expensive to build.
C
It has little effect on wildlife when being constructed.
D
It has little effect on water flow.
8) Which of these substances is an element?
A
Sugar
B
Chlorine
C
Plastic
D
Steel
9) A student makes a drawing of a carbon atom. Which of these should the student show in the nucleus of the atom?
A
Protons
B
Ions
C
Electrons
D
Molecules
10) For separate ecosystems to be classified as the same type of biome, they must —
A
be at least one hundred square meters in area
B
have similar organisms and climates
C
have deciduous forests
D
be located along the equator
*select an answer for all questions
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