4th Grade Plants and Photosynthesis Study Guide

an organism that makes its own food

• consumer

• producer

• oxygen

• sun

What is photosynthesis?

• The process by which producers make energy

• The process of breaking down food to release energy.

• The process of converting water into oxygen.

• The process of absorbing nutrients from the soil.

What gas is taken in by animals and given off by plants?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

What gas is taken in by plants and given off by animals?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

What is an organism?

• A living thing

• A non-living object

• A chemical compound

• A producer

What is the source of energy for photosynthesis?

• Sunlight

• Water

• Carbon Dioxide

• Oxygen

Leaves take in ______________and ______________

• oxygen and carbon dioxide

• sunlight and carbon dioxide

• water and oxygen

• sunlight and oxygen

Roots take in _______________

• sunlight

• water

• carbon dioxide

• oxygen

Leaves give off ________________

• sunlight

• oxygen

• carbon dioxide

• water

The cycling of matter from plants and animals models. (select two)

• plants taking in carbon dioxide and giving off oxygen

• plants taking in oxygen and giving off carbon dioxide

• animals taking in oxygen and giving off carbon dioxide

• animals taking in carbon dioxide and giving off oxygen