How Plants Grow

Plants and all producers get the molecules they need to make food and grow mainly from air and water.

​Some text here about the topic of discussion.

Producers must make their own food.

Dropdown

Plants get the matter they need to grow mainly from ​​

Select answer

Multiple Choice

The matter that these flowers use to grow mainly comes from:

• air only

• water only

• air and water only

• air, water, and soil

Multiple Choice

Two years ago, this plant was only 1 foot tall. Now it is 3 feet tall. Where did the matter for its change in height come from?

• from the soil

• from water and air

• from nutrients

• from sunlight

Multiple Choice

The grass on this lawn keeps growing, and so the owner of the house mows the grass. Where do the molecules that grass uses to grow taller come from?

• from the soil

• from water and air

• from nutrients

• from sunlight

Multiple Choice

See the green plants in this ocean? That's kelp! Kelp is a plant that grows in the ocean, and provides both food and habitat for many ocean animals. How does the kelp get matter to grow?

• from water and air

• from soil

• from air, water, and soil

• from sunlight

Multiple Choice

This picture shows the growth of a sunflower, from a seed to a blooming flower. In stage 3 the plant started to grow leaves. The plant was then able to grow taller, grow more leaves, and eventually produce a flower because it gained matter from:

• from sunlight

• from nutrients

• from water and air

• from the soil

Multiple Choice

Mr. Weaver loves to make pesto. He has a basil plant, and he uses 20 of the leaves to make pesto (10 leaves are left on the plant). Three weeks later, the basil plant has regrown its leaves and has 30 leaves again. Where did the matter that make up the plant's new leaves come from?

• from nutrients

• from sunlight

• from soil

• from water and air

Multiple Choice

Marcia places a plant in a clear plastic bag, and leaves it in the bag on a windowsill for three weeks. What will happen to the plant?

• Marcia's plant will survive because there is water in the soil.

• Marcia's plant will survive because it can still get sunlight, since the bag is clear.

• Marcia's plant will not survive due to lack of water.

• Marcia's plant will not survive due to lack of water and air.

Multiple Choice

Check it out! Mr. Weaver's grandfather grows tomatoes every summer. Where does the matter that the plants use to grow taller and produce the tomatoes come from?

• sunlight

• the water it soaks up from the ground

• the soil

• water and air

Dropdown

This plant will ​

Select answer

​ because it ​​ ​

Select answer

Multiple Choice

Can this potato plant survive in a jar of water, without soil?

• Yes - all it needs is sunlight.

• Yes - it can get water, air, and gets sunlight.

• No - plants must have soil.

Reorder

Put these steps of photosynthesis in the correct order:

• Light energy is absorbed by a plant.

• Carbon dioxide and water are used to make food inside the plant.

• Oxygen is released to the air by the plant.

1

2

3

• 1
• 2
• 3

Reorder

Put these steps of photosynthesis in the correct order:

• Light energy is absorbed.

• Carbon dioxide and water are used to make food.

• Oxygen is released.

1

2

3

• 1
• 2
• 3

Multiple Choice

Two students decide to do some experiments with three plants. What will happen to plant 2 (gets light, no water)?

• The plant will grow because it can still get everything it needs from the soil and air.

• The plant will grow because it can make its food as long as it has sunlight.

• The plant will die because it needs water to make its food.

Multiple Choice

Two students decide to do some experiments with three plants. What will happen to plant 1 (gets water and light)?

• The plant will grow because it can still get everything it needs from the water, air, and it gets sunlight.

• The plant will grow because it has soil.

• The plant will die because it is not getting everything it needs.

Multiple Choice

Two students decide to do some experiments with three plants. What will happen to plant 3 (water, no light)?

• The plant will grow because it has water and air since the box is not closed.

• The plant will grow because it has soil.

• The plant will die because it needs sunlight to make food from the water and air.

Open Ended

How do plants grow?