Energy Usage

Most of the electricity (energy) used in our homes comes from

• coal, natral gas, nuclear energy

• oil

• solar power

• biofuel

Which is NOT a fossil fuel?

• coal

• oil

• lead

• natural gas

Fossil fuels are used a lot to make energy because they are both_____ and ______

• inexpensive

• hard to find

• convenient

• renewable

Fossil fuels are _____ meaning they can be used up.

• Renewable

• Nonrenewable

• Resources

• Natural

Renewable energy sources are

• gone once used up.

• created in a labratory

• bad for the environment

• replenished naturally by the Earth

Which is NOT a renewable source of energy?

• wind

• solar/sun

• coal

• waves/ tides

Resources that occur naturally in the Earth. ex: coal, trees, oil, natural gas, plants,

• worldwide resources

• renewable resources

• natural resources

• renewable resources

Tags

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_____________ means to use less energy. Ex: turning off the lights when you leave a room.

• Efficient

• Conservation

• Sourcing

• Buying better light bulbs

____________ means using less of a resource to do the same task. Ex: a laptop does the same thing but uses less energy than a desktop computer

• Conservation

• Environmentalism

• Efficiency

This type of energy harnesses the heat from beneath the Earth's surface.

• solar

• wind

• geothermal

• biomass

Tags

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NGSS.MS-PS3-3