Review 1 - Energy Sources & Transformation

Which of the following is correct about coal?

• solid fossil fuel

• liquid fossil fuel

• gaseous fossil fuel

• plasma fossil fuel

Which of the following is correct about oil?

• solid fossil fuel

• liquid fossil fuel

• gaseous fossil fuel

• plasma fossil fuel

Look at the electrical appliance shown. The form of energy produced when it is being used is...

• sound, light and heat

• light and heat

• sound and light

• sound and heat

The alternative energy used as shown in the picture is?

• geothermal

• tides

• wind

• wind and water

Look at the electrical appliances given. The electrical appliances that undergo the same energy transformation when in use are...

• 1 and 2

• 1 and 4

• 2 and 3

• 2 and 4

Look at the electrical appliances given. The electrical appliances that undergo the same energy transformation when in use are...

• 1 and 2

• 1 and 4

• 1, 2 and 4

• 1, 2, 3 and 4

Look at the picture shown.

The energy transformation that takes place in this electrical appliance is from.... energy to .... energy.

• electrical, heat

• electrical, sound

• sound, electrical

• electrical, chemical

Look at these electrical appliances.

The appliances that undergo the same energy transformation when in use are....

• 1 and 2

• 2 and 3

• 1, 2 and 3

• 1, 2, 3 and 4

The alternative energy as shown in the picture is...... energy.

• geothermal

• tide

• wind

• solar

(Select more than one answer)

Mention 3 ways to conserve energy.

• Turn off the electronics when they are not in use

• Use energy-saving lamps

• Shut your computer down when you are done with it

• Leaving the Lights On

• Leaving the fridge open