3. What do you call a fuel such as coal, petroleum, and natural gas that formed in the Earth
from decayed organisms?
a fossil fuel
e sedimentary rock
b. natural gas
d. unnatural gas
4. Why should we conserve fossil fuels?
2. They are renewable.
e. We can make more of them.
6. We can run out of them. d. They can only be found in the ocean.
5. Which of the following helps to make sure that there will be enough moving water to generate
electricity?
a. build a dam
c. add fish to the river
b. build a water sheel
d. pick up the trash in the river
6. How is solar energy collected?
a in a bank
c. by a windmill
b. in a bucket
d. using cells on large panels
7. Which is a non-renewable resource?
a coal
b. Sun
c. water
d. wind
8. What can you burn to produce heat and electricity?
a fossil fuels
b. the sun
c. seater
d. wind
9. Where do fossil fuels come from?
a. a house
c. the wind when it blows strong
b. the sun in summer
d. remains of dead plants and animals after many years
10. Which of the following is NOT a fossil fuel?
a. coal
b. gas
c. oil
d. wood​