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3 Find the relationship between two or more quantities.

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3 Find the relationship between two or more quantities.

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Which variables are independent and dependent respectively?

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Which variables are independent and dependent respectively?

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3 how to build up a system with using less space

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Factor affect the grow of the plant

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Sensor (light) vs plant growth

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Graph plotting
data collection (light intensity vs time)
Plant Growth and LED light (White light vs Blue light)--> positive relationship?

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Minerals combination

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Limited area for growing

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- how to use motor to change the direction of device for the sunlight

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Saving voltage

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- calculate the angle of the best in-take of sunlight
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Involve concepts of fair testing

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investigate about factors of photosynthesis

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investigating skills

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3. Design a hydroponic system which meets the needs of our school.

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3. Design a hydroponic system which meets the needs of our school.

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3. Improve the current hydroponic system

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3. Improve the current hydroponic system

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creatvity

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build and improve a device of hydroponic system