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8th Grade Review - Energy
Test Description: Forms and Transformation of Energy
Instructions: Answer all questions to get your test result.
1) Which form of energy does a battery store?
A
nuclear energy
B
chemical energy
C
electrical energy
D
thermal energy
2) When moving air strikes the blades of a windwill, it causes the blades to turn. What form of energy do the moving blades have?
A
electromagnetic
B
mechanical
C
chemical
D
electrical
3) Which of these changes happens when you run?
A
Chemical energy is changed to mechanical energy
B
Your body makes new energy
C
Mechanical energy is changed to chemical energy
D
Energy is used up and lost
4) Which of the following energy changes happens in an electric lamp?
A
Thermal energy turns into electrical energy
B
Electrical energy turns into electromagnetic energy
C
Electrical energy turns into mechanical energy.
D
Electrical energy turns into chemical energy
5) Which of the following is nonrenewable energy resource?
A
coal
B
biomass
C
hydropower
D
solar energy
6) Which source of energy depends on moving water?
A
hydropower
B
wind
C
geothermal
D
coal
7) Which of the following does NOT release carbon dioxide when it is used as an energy source?
A
coal
B
ethanol
C
wind
D
petroleum
8) Why is the use of geothermal energy limited?
A
It pollutes the water, so it cannot be used in areas where people live.
B
It can be used only in areas that receive a great deal of sunlight, and these areas are limited.
C
It can be used only in areas that have volcanic activity, and these areas are limited.
D
It destroys habitats, so it cannot be sued in areas where there is a lot of wildlife.
9) Which of these has mechanical energy?
A
a battery
B
moving car
C
melting ice cube
D
burning candle
10) The term lost energy often refers to energy transferred to the surrounding environment in the form of
A
light
B
mechanical energy
C
chemical energy
D
heat
11) Which statement about coal is false?
A
Mining coal can damage land and pollute water sources
B
The waste from burning coal must be stored securely for a very long time
C
Burning coal causes air pollution
D
Burning coal produces a large amount of energy.
12) Which of the following BEST explains why fossil fuel supplies are limited?
A
Fossil fuels formed over millions of years, and they are being used more quickly than they can be replaced
B
People are not allowed to use large amounts of fossil fuels
C
Fossil fuels exist in very large quantities, but they are difficult for scientist to locate
D
Only small amounts of fossil fuels ever formed, and early humans used most of the available supply
13) Which of these has mechanical energy?
A
a melting ice cube
B
a burning a candle
C
a moving car
D
a battery
14) Most of the energy used in the US comes from
A
coal and nuclear energy
B
oil and natural gas
C
natural gas and biomass
D
hydropower and oil
15) The wise use of natural resources is called
A
production
B
restoration
C
biomass
D
conservation
16) What energy change takes place in photovoltaic cell?
A
electrical energy to light energy
B
light energy to heat energy
C
chemical energy to light energy
D
light energy to electrical energy
17) Who is your favorite (and only) 8th grade science teacher?
A
Mrs. Hunter
B
Mrs. Russell
C
Mr. Moffitt
D
Mr. Snowden
*select an answer for all questions
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