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roots
Roots bind soil particles.
Class 4 · English Medium · Cambridge · General science
Earth, water and environmental care
Explore earth, water and environmental care with an example and your own answers.
Original Kidemy foundation practice · Read the example, write your answers, then check. This starter is shared across class versions; it is not a complete board-specific lesson or course.
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Learn the idea
Soil, water and air support many living things. Changes such as littering or removing vegetation can affect a habitat.
Worked example
Roots can help hold soil in place. Keeping drains clear helps water flow through them.
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- Try each task yourself, then compare the answer and its reason.
Your written practice
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an appropriate bin
Litter can block drains and pollute water.
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Report a leaking tap so it can be repaired.
Accept a practical, safe action and an explanation of the water saved.
Take it further
Apply the idea in a new situation and explain your method. Open writing needs a guardian or teacher to review it.
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sand
Undissolved sand particles can be caught by a suitable filter.
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reuse
Reuse gives an item another use.
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Some dissolved substances and microorganisms can remain even when water looks clear.
Do not drink test water; clarity alone is not a safety test.
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