G2.1 Natural Resources

Which resource can be both a material and an energy resource?

• Coal – used only for electricity

• Wind – only creates energy

• Rocks – only used for building

• Corn – can be food and fuel

Why is petroleum a nonrenewable resource?

• It’s hard to find

• It causes pollution

• It forms very slowly over time

• It’s found deep in oceans

Which statement is true about fresh water?

• There is unlimited fresh water on Earth

• People are using less fresh water

• In some places, it’s used up faster than it can be replaced

• It is inexhaustible like wind or sunlight

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What is an advantage of using resources like solar or wind energy?

• They burn fuel and make smoke

• They cause more greenhouse gases

• They come from sources that won’t run out

• They need to be replaced every year

What’s a disadvantage of renewable energy resources?

• They are too new

• They’re not always available everywhere

• They harm the environment

• They don’t need equipment

Which energy source is inexhaustible?

• Coal

• Natural gas

• Wind or solar

• Petroleum

Why is nuclear energy nonrenewable?

• It’s safe to use

• It comes from the sun

• Uranium forms very slowly over time

• It doesn’t produce waste

What determines if an energy source is renewable?

• It burns easily

• It’s found in plants

• It can be replaced quickly

• It’s made by humans

What is one positive effect of using biomass or corn for fuel?

• It needs no machines

• It replaces food crops

• It’s a potentially renewable energy source

• It stops pollution completely

What is a tradeoff of cutting down trees?

• It reduces water use

• It causes soil erosion but gives us building materials

• It makes more air pollution

• It always helps the environment

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