G4 Science - Topic 2 Review

A substance that releases energy when it burns

• fuel

• renewable

• solar energy

• hydro energy

The BURNING of a fuel to release heat and light

• combustion

• fuel

• generate

• battery

A device that contains a wheel with blades

• turbine

• generator

• battery

A ___ changes the energy of motion into electrical energy

• generator

• battery

• combustion

___ stores chemical energy and can convert chemical energy to electrical energy

• battery

• fuel

• generator

• turbine

Choose ALL that are correct:

What is fossil fuel?

• coal

• oil

• natural gas

• water

Choose ALL that are correct:

Which one is renewable energy?

• solar energy

• hydropower

• wind energy

• geothermal energy

• biomass

How was fossil fuel formed?

a. The plants and animals were buried under water and rock.

b. Heat and pressure from the soil and rock caused the material to change into fossil fuels.

c. Ancient plants and animals died in the swamp.

• c -> a -> b

• a -> b -> c

• b -> a -> c

• c -> b -> a

• This type of energy source DOES NOT run out.

• This type of energy source RUNS out.