Unit 8: Renewable and Nonrenewable Resources

Question 1

Nonrenewable resources

Answer 1

Exist in fixed amounts on earth and can’t be easily replaced or regenerated.

Question 2

Nonrenewable resource examples

Answer 2

Fossil fuels, nuclear energy.

Question 3

Fossil fuels

Answer 3

Ancient biomass that takes millions of years to form (Natural gas, oil).

Question 4

Nuclear energy

Answer 4

Generated from uranium or other radioactive fuels.

Question 5

Renewable resources

Answer 5

Can be replenished naturally at or near rate of consumption and can be quickly reused.

Question 6

Renewable resource examples

Answer 6

Biomass (wood, charcoal), solar, wind, hydroelectric, geothermal.

Question 7

Generating electricity steps

Answer 7

Fuel burned, heats water into steam, steam turns turbine, turbine turns generator, generator produces energy.

Question 8

Electrical grid

Answer 8

Network of interconnected transmission lines that connect power plants together and link them with users.

Question 9

Developing nations use more __________, but as the develop, they use more _________ _______.

Answer 9

Biomass, fossil fuels.

Question 10

Factors of choosing energy

Answer 10

Affordability, availability, reliability, cleanliness.

Question 11

How do spinning generators make electricity?

Answer 11

They have magnets spinning past copper wire coils generating electricity.