Cycles of Matter

Where do living things get the energy they need to live and grow?

• From food

• From water

• From sunlight

• From air

What is an organism?

• A living thing that can function independently

• A non-living object

• A chemical compound

• A type of machine

When a squirrel eats fruit, what does it convert the matter into?

• Energy

• Water

• Fiber

• Fat

How do plants get their food?

• Through photosynthesis

• By absorbing nutrients from soil

• By consuming insects

• Through respiration

Plants use ______ to make their own food.

• water

• sunlight

• soil

• air

The role of sunlight in the process of photosynthesis is to:

• provide energy for the reaction

• act as a reactant

• serve as a product

• inhibit the process

What is essential for plants to make sugars?

Fill in the blank: Carbon dioxide is a gas that plants and other producers use to make their own ______.

• food

• shelter

• water

• oxygen

Explain how plants use the sugars they make.

• Plants use sugars for energy and growth.

• Plants store sugars as fat.

• Plants use sugars to attract pollinators.

• Plants convert sugars into proteins.

What do plants capture from the air?