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33 Cards in this Set

  • Front
  • Back
Burning of fuels is also called:
combustion
Substances that provide energy are called:
fuels
changing energy from one kind to another is called:
energy transformation
What is a fossil fuel made of?
remains of organisms
What are the 3 main fossil fuels?
coal, oil, natural gas
When hydrocarbons are burned, what 3 things are released?
energy, carbon dioxide and water
Which fossil fuel is made from the remains of plants?
coal
Which fossil fuel do we have the most of in the U.S.?
coal
Which fossil fuel comes from the remains of organisms that lived in the oceans?
oil (petroleum)
Oil that first comes out of the ground is called:
crude oil
A _________ is a place where crude oil is separated into fuels and other products.
refinery
Where is natural gas usually found?
in a pocket of gas in a rock above oil deposits
the major disadvantage of using coal for energy is___
air pollution
The main disadvantage of natural gas is ______
it's highly flammable (can explode and cause a fire)
Water in a dam can be used to create ______ power
hydroelectric
Most widely used source of renewable energy
hydroelectric
We can not have wind without _____________
sun-because it causes the air to move when it heats it unevenly
When we burn living things to create fuel, we are usually ________ fuel
biomass
Getting energy using the heat from the earth's interior is called ________________
geothermal energy
splitting of an atoms nucleus
nuclear fission
joining nuclei from two atoms
nuclear fusion
Used to regulate nuclear fission reactions
control rods
When nuclear fuel rods over heat, a ___________ can occur
meltdown
Which produces more energy-nuclear fission or nuclear fusion?
fusion
What is the biggest problem with nuclear fission?
the disposal of the radioactive wastes
The percentage of the energy actually used to perform work is called __________
efficiency
How can we increase efficiency in the heating and cooling of our houses?
insulation
Reducing energy use is called
energy conservation
Fossil Fuels are rich in energy because they contain __________
hydrocarbons
Resources that are used faster than they can be replenished are called ____
nonrenewable
The biggest advantage of solar energy is:
It will not run out for billions of years
In which part of a nuclear reactor does fission occur?
reactor vessel
Which type of nuclear reaction is now being used to make electricity?
nuclear fission