Lesson 3 grade 4 concept 3.2

Correct the underlined words: Fossil fuels include oil, coal and wood.

Correct the underlined words: After death of living organisms, their remains are buried under the Earth's surface and exposed to extreme pressure and cool.

Correct the underlined words: Water is a non renewable energy resource.

Correct the underlined words: In an electric power station, steam turns turbines that produce thermal energy.

Write the scientific term of each of the following: The type of fuel that is used inside the electric power station to produce electricity.

Write the scientific term of each of the following: The device in the electric power station, that produces kinetic energy to operate generators.

Write the scientific term of each of the following: The device in the electric power station, that converts kinetic energy into electrical energy.

Write the scientific term of each of the following: The matter that produces steam on heating, which is used to turn turbines in electric power station.

Put (✓) or (x): Burning of fossil fuel inside electric power station produces kinetic energy.

• ✓

• x

Put (✓) or (x): Oil, natural gas and coal can be used to produce electrical energy.

• ✓

• x