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13
Experiment time!
1.
Put soil in pot 1; sand in pot 2; and
cotton wool in pot 3. Pot 4 is empty.
3.
What’s going to happen? Draw your
prediction for each pot.
5.
Write your conclusion.
2.
Plant an equal number of seeds in all
the pots. Put the pots next to a window.
4.
Observe and water the plants every day
for two weeks. Record your results.
The tallest shoot is …
The plant with the most shoots is …
Cress can/can’t grow in ... Cress grows best in …
Plant growth and soil
Materials
Pots labelled 1–4
Cress or mustard seeds
Soil, sand and cotton wool
Plant record template
Can plants grow
without soil?