3.3 power from the Sun and the Earth

Question 1

What are solar cells?

Answer 1

Solar cells a flat solid cells and use the suns energy to generate electricity directly

Question 2

What are solar heating panels?

Answer 2

Solar heating panels use the sun energy to heat water directly

Question 3

What is geothermal energy?

Answer 3

Geothermal energy comes from the energy transferred by radioactive substances deep inside the Earth

Question 4

What does water being pumped into hot rocks underground produce?

Answer 4

Water pumped into hot rocks underground produces steam to drive turbines at the earths surface that generate electricity