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Energy
Test Description: VA SOL 6.2 and 6.3
Instructions: Answer all questions to get your test result.
1) What is the energy of motion called?
A
gravitational potential energy
B
chemical energy
C
elastic potential energy
D
kinetic energy
2) What is the direct and indirect source of most energy resources?
A
solar energy
B
wind energy
C
Geothermal energy
D
potential energy
3) When a person rubs his hands together on a cold day, friction is being used to convert
A
mechanical to thermal energy
B
nuclear to electrical energy
C
electrical to thermal energy
D
thermal to nuclear energy
4) Heated air moves from hot-air vents to the rest of a room in a process called
A
radiation
B
conduction
C
convection
D
insulation
5) Besides water vapor, what must be present for clouds to form?
A
a strong wind
B
sunlight
C
dew
D
particles of salt, dust or smoke
6) A carbon dioxide (CO2) molecule is made up of
A
two carbon atoms bonded to one oxygen atom
B
two carbons joined together
C
two oxygen atoms bonded to one carbon atom
D
one carbon atom bonded to two oxygen
7) Because burning fossil fuels creates much pollution, alternatives are being investigated. What might limit the use of wind as a major resource?
A
Wind power does not create pollution.
B
Turbines and generators in the wind machines create electricity.
C
The amount of wind can vary.
D
Wind machines have huge blads to capture the wind.
8) Which is the chemical break-up of H2O?
A
H- H- O-
B
H- O+ H+
C
H+ H- O-
D
H+ H+ O-
9) Which is not a fossil fuel?
A
coal
B
nuclear
C
petroleum
D
oil
10) Uneven heating of the air near Earth's surface causes
A
rain
B
ice storms
C
cloud formation
D
wind
*select an answer for all questions
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