Plants need water
This Topic is About...
- I will learn why plants need water.
- I will record what I see in tables.
- I will make predictions about what will happen in an investigation.
- I will check if what happened matches my prediction.
You’re getting better at thinking like a scientist!
Key Words
- explain
- predict
- record
- table
Tap to Learn the Meanings!
- explain: To tell someone why something happens.
- predict: To say what you think will happen next.
- record: To write down what you see or find out.
- table: A chart used to organise information clearly.
These words help you work like a real scientist.
Plants Around Us
You may have seen plants growing in places like this.
Living Near Water
Some plants live near water.
Living In Water
Some plants live in water.
Living In Dry Places
Some plants live in dry places.
Think Like a Scientist: How Plants Get Water
Question: Do plants get water through their leaves or their roots?
You will need: Two plants, a plastic bag, string, a watering can.
What to do:
- Zara pours water onto the leaves of one plant.
- She waters the roots of the other plant.
- Predict what will happen.
- Now try this science investigation.
- Observe what happens.
- Draw the plants before and after the investigation.
Safety First:
- Make sure you wash your hands after touching the plants.
Tap to see what this test helps you learn
This investigation helps you find out whether plants take in water mainly through their leaves or through their roots by comparing what happens to each plant.
Think Like a Scientist 2: How Much Water Do Plants Need?
You will need: Some plants, a watering can.
What to do:
- Give some plants lots of water.
- Give some plants a little water.
- Give some plants no water.
- Predict what will happen to the plants.
- Now do the science investigation.
- Observe the plants each day.
- Record your results in a table like this.
How much water do the plants need? My table of results.
| Water every day | Water two times each week | Do not water | |
|---|---|---|---|
| Day 1 | |||
| Day 2 | |||
| Day 3 | |||
| Day 4 | |||
| Day 5 |
Draw the plants in the table.
How am I doing?
Read what Hatim says.
“Some plants do not need water.”
What would you say to him?
Explain to Hatim why he is wrong.