Plants Make Their Own Food

Matter is anything that has weight and takes up space. What is sunlight?

• Sunlight is matter too.

• Sunlight is just energy.

True or False: Plants that grow underwater also use photosynthesis.

• True

• False

Plants use photosynthesis to change two ingredients into a simple sugar. What are the ingredients?

• Water and carbon dioxide.

• Carbon dioxide and oxygen.

• Water and oxygen.

• Soil and water.

Where does a plant get the carbon dioxide it needs?

• The sun's energy shines it on the stem.

• The roots absorb it from the soil.

• Its leaves absorb it from the air.

• From pollinating bees.

What part of the plant absorbs the sun's light energy?

• Carbon dioxide

• Roots

• Photosynthesis

• Chlorophyll

Besides sugar, photosynthesis also makes--

• nutrients for the soil.

• extra water for energy.

• a gas called oxygen.

• a gas called carbon dioxide.

How do animals help plants with photosynthesis?

• Animals do not help a plant with photosynthesis.

• Animals pollinate the flowers of a plant.

• Animals breathe out oxygen that plants need.

• Animals breathe out carbon dioxide that plants need.

True or False: Plants and animals are dependent on each other.

• True

• False

Where does the oxygen that animals and people breathe come from?

• Plants

• Other animals and people

• Sunlight

• Water