Question

a. write the missing word or words in each sentence.

1. fossil fuels are natural resources that will

______ .
(run out, last forever, become magma)

1. a natural resource that will last for millions of years is

______ .
(oil, the sun, coal)

1. windmills can turn wind energy into

______ energy.
(electrical, fossil fuel, solar)

1. many windmills in one place is called a

______ .
(solar farm, wind farm, magma farm)

1. geothermal energy comes from earth’s

______ .
(wind, fossil fuels, magma)

Explanation:

1. Fossil fuels are non-renewable, so they will run out.
2. The sun is a renewable resource that lasts millions of years; oil and coal are finite fossil fuels.
3. Windmills convert wind energy into electrical energy for human use.
4. A group of windmills is defined as a wind farm.
5. Geothermal energy is derived from Earth's internal magma heat.

Answer:

1. run out
2. the sun
3. electrical
4. wind farm
5. magma