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Energy

__________ is the ability to cause change.

Kinetic

__________ energy is the energy an object has due to its motion.

faster

Kinetic energy increases as an object moves __________.

mass

Kinetic energy increases as the __________ of the object increases.

Potential

__________ energy is the energy stored in an object because of its position.

energy

Food, sunlight, and wind have __________.

thermal

A cup of hot chocolate has __________ energy.

chemical

Food contains __________ energy.

Chemical

__________ energy is the energy stored in chemical bonds.

chemical

The flame of a candle is the result of __________ energy.

Light

__________ energy travels at a speed of 300,000 km/s.

radiant

The energy of light is called __________ energy.

electrical

The electric current that comes out of batteries and wall sockets is called __________ energy.

atom

Nuclear power plants use the energy stored in the nucleus of an __________.

nuclear

Every atomic nucleus contains __________ energy that can be transformed into other forms of energy.

forms

Chemical, thermal, radiant, and electrical energy are all different __________ of energy.

transformed

Energy can be __________ from one form to another.

energy

According to the law of conservation of __________, energy is never created or destroyed.

created

According to the law of conservation of energy, energy is never __________ or destroyed.

destroyed

According to the law of conservation of energy, energy is never created or __________.

equals

The loss of kinetic energy __________ the gain in potential energy.

equals

The loss of potential energy __________ the gain in kinetic energy.

kinetic

The loss of __________ energy equals the gain in potential energy.

potential

The loss of __________ energy equals the gain in kinetic energy.

Machines

__________ are devices that transform energy from one form to another.

generator

A __________ is a device that transforms kinetic energy into electrical energy.

water

In a fossil fuel power plant coal, oil, or natural gas is burned to boil __________.

turbine

In a fossil fuel power plant the steam from boiling water turns a large __________.

90

Almost __________ percent of the electrical energy generated in the United States is produced by nuclear and fossil fuel power plant.

fossil

Coal, oil, and natural gas are examples of __________ fuels.

nonrenewable

An energy source that is used up much faster than it can be replaced is a __________ resource.

nonrenewable

Fossil fuels are __________ resources.

nuclear wastes

The bad thing about nuclear energy is that it produces __________ __________.

Hydroelectricity

__________ is the process used to transform the power of water into electrical energy.

Hydroelectricity

__________ is the largest source of renewable energy.

renewable

An energy source that is replenished continually is called a __________ energy source.

alternative

Solar, wind, and geothermal energy are called __________ sources of energy.

inexhaustible

The Sun is an example of an __________ resource because it cannot be used up by humans.

photovoltaic

Solar energy is created using __________ cells that transforms radiant energy directly into electrical energy.

geothermal

The heat created by the interior of the Earth is called __________ energy.

electricity

You can avoid wasting __________ and conserve energy by turning off lights and appliances such as televisions when you are not using them.

electricity

You can avoid wasting __________ by keeping doors and windows closed when it is hot, cold, or warm outside.

Hydroelectric power plant

What type of power plant is picture A?

Nuclear power plant

What type of power plant is picture B?

Fossil fuel power plant

What type of power plant is picture C?

biomass

In 2007, what resource was used for 3.6% of America's energy consumption?

Petroleum

In 2007, what resource was used for 37.5% of America's energy consumption?

0.1%

In 2007, solar energy was what percent of America's energy consumption?

22.5%

In 2007, coal was what percent of America's energy consumptioin?

8.3%

In 2007, uranium was what percent of America's energy consumption?

0.3%

In 2007, wind was what percent of America's energy consumption?

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