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Science 3rd grade | UNIT 1: Looking after plants 1.3 Transporting water

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visibility 150update 2 years agobookmarkshare

Words to learn

absorb

The roots and the stem
Helene has a plant that looks unhealthy. Look at the roots.

Putting the plant in a bigger pot will allow the roots to spread out

The roots are really close together and cannot absorb water well

The stem transports water to the leaves and flowers. / The roots absorb water from the soil. / The roots transport water to the stem.

You will need: a white flower - some celery - a container of water blue food colouring - a plastic knife

A plant stem can transport water to the leaves and flowers.
Predict what would happen if the water was blue.

Place the celery and the flower in the water Add a few drops of colouring.

Your apparatus to use. / knife / dropper / white flower / food colouring / celery / container of water

After one day, cut the celery and look inside.
Can you explain what has happened to the celery and the flower?

1) Why do plants sometimes need to be moved to a bigger pot?
2) How do plants get water to their leaves?
3) What would happen to a plant with no roots? Why?

What you have learnt

- Roots absorb water from the soil.
- Roots transport water to the stem.
- The stem transports water around the plant.

Talk about it!

What happens to flowers when they are cut and put into water?

Science 3rd grade | UNIT 1: Looking after plants 1.3 Transporting water

Activity 1.3 (Making plants go blue)

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