8th Grade Review - Energy Question Preview (ID: 61598)
Forms And Transformation Of Energy.
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The wise use of natural resources is called
a) production
b) conservation
c) biomass
d) restoration
What energy change takes place in photovoltaic cell?
a) light energy to heat energy
b) light energy to electrical energy
c) electrical energy to light energy
d) chemical energy to light energy
Who is your favorite (and only) 8th grade science teacher?
a) Mrs. Russell
b) Mr. Snowden
c) Mr. Moffitt
d) Mrs. Hunter
Which of these has mechanical energy?
a) a burning a candle
b) a melting ice cube
c) a battery
d) a moving car
Most of the energy used in the US comes from
a) oil and natural gas
b) coal and nuclear energy
c) natural gas and biomass
d) hydropower and oil
Which statement about coal is false?
a) Burning coal causes air pollution
b) The waste from burning coal must be stored securely for a very long time
c) Mining coal can damage land and pollute water sources
d) Burning coal produces a large amount of energy.
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) Only small amounts of fossil fuels ever formed, and early humans used most of the available supply
c) Fossil fuels exist in very large quantities, but they are difficult for scientist to locate
d) People are not allowed to use large amounts of fossil fuels
Why is the use of geothermal energy limited?
a) It can be used only in areas that have volcanic activity, and these areas are limited.
b) It can be used only in areas that receive a great deal of sunlight, and these areas are limited.
c) It destroys habitats, so it cannot be sued in areas where there is a lot of wildlife.
d) It pollutes the water, so it cannot be used in areas where people live.
Which of these has mechanical energy?
a) burning candle
b) melting ice cube
c) a battery
d) moving car
The term lost energy often refers to energy transferred to the surrounding environment in the form of
a) heat
b) light
c) mechanical energy
d) chemical energy
Which of the following is nonrenewable energy resource?
a) coal
b) hydropower
c) solar energy
d) biomass
Which source of energy depends on moving water?
a) geothermal
b) hydropower
c) coal
d) wind
Which of the following does NOT release carbon dioxide when it is used as an energy source?
a) petroleum
b) ethanol
c) coal
d) wind
Which of the following energy changes happens in an electric lamp?
a) Electrical energy turns into chemical energy
b) Thermal energy turns into electrical energy
c) Electrical energy turns into mechanical energy.
d) Electrical energy turns into electromagnetic energy
Which of these changes happens when you run?
a) Mechanical energy is changed to chemical energy
b) Chemical energy is changed to mechanical energy
c) Energy is used up and lost
d) Your body makes new energy
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) mechanical
b) chemical
c) electrical
d) electromagnetic
Which form of energy does a battery store?
a) nuclear energy
b) thermal energy
c) chemical energy
d) electrical energy
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