What plants need: plan
Lesson 12 / 15
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Lesson outcome
I can ask relevant questions about what plants need and plan a comparative test to answer them.
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Plants are living things and need the right conditions to grow and stay healthy.
Plants need air, light, water, nutrients from soil, and room to grow.
Scientists can investigate what plants need by observing plant growth when requirements are removed.
A comparative test investigation can be carried out to investigate plant growth.
In a comparative test investigation, variables must be controlled so only one thing is changed and another is measured.
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