SCIENCE 3 - 4TH MT REVIEWER

The main source of heat and light energy.

• Electricity

• Sound

• Sun

• Flashlight

Plants need _____________ for photosynthesis.

• Street light

• Moonlight

• Sunlight

• heat of the sun

It is produced by objects that vibrate.

• Heat

• Light

• Sound

• Electricity

It is made up of tiny pieces of rocks , minerals , and organic matter.

• soil

• Light

• Water

• Air

___________ help the living things meet their needs in the environment.

• Living things

• Nonliving things

• things

• animals

It comes from batteries or electric power stations.

• Electricity

• Light

• Heat

• Sound

It comes from the remains of plants and animals.

• soil

• water

• sunlight

• organic matter

It is needed by plants, animals, and humans. It also gives warmth.

• water

• sunlight

• air

• soil

Which of the following is an example of decomposers?

• plants

• crocodile

• grasshopper

• bacteria

This animal eats another animal.

• prey

• predator

• producer

• animal