Science 2 Unit 7

Which type of energy do solar cells capture?

• Light energy

• Heat energy

• Wind energy

Plants use light form the sun to create food by _____.

• photosynthesis

• oxygen

• carbon dioxide

What is the main source of Energy for the Earth?

• The Moon

• The Stars

• The Sun

What does Light energy from the Sun create through solar cells?

• Photosynthesis

• Electricity

• Food

Which factor do plants need to synthesise food?

• Light energy

• Chemical energy

• Heat energy

Which is a benefit of the Sun to living things?

• Plants use sunlight to breathe.

• Plants use sunlight to create food.

• Plants use sunlight to warm their stems.

What does the Sun provide that humans and animals need to keep warm.

• Heat energy

• Chemical energy

• Sun energy

Which of the following is correct?

• The Sun makes the Earth cold.

• The Sun makes all living things go blind.

• The Sun gives us daylight.

Which foods are preserved using energy from the Sun?

• Durian jam, salted egg

• Longan preserved in syrup

• Dried banana, dried squid

If there were no Sun, what would happen to living things on Earth?

• Their lives would be normal.

• They could eat more.

• They would die.