Which of the following is an example of a non-living thing?

• A bird

• A rock

• A fish

• A tree

What is a key difference between machines and living things?

• Machines can grow

• Machines can reproduce

• Machines need energy to breathe

• Machines can move but are not alive

How do incubators help bird eggs?

• By providing food

• By helping them breathe

• By making them grow faster

• By keeping them warm

Which of the following is NOT a characteristic of living things?

• They reproduce

• They do not respond to changes

• They grow

• They need energy

What happens to plants when the light source moves?

• They change color

• They reproduce

• They bend towards the light

• They stop growing