VALID Science 8 Practice Questions - NSW VALID Science 8 Assessment (Stage 4 Year 8 Science) Exam

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A student tests how different amounts of fertilizer affect the growth height of tomato plants. What is the independent variable in this experiment?

The amount of fertilizer added The final height of the tomato plants The type of soil used in each pot The amount of water given each day

Correct Answer:

The amount of fertilizer added

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