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Scientific Methodology

Observation, hypothesis, experiment and basic scientific approach.

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  • Q1 · Scientific Methodology · EASY

    A scientist observes that plants near a window grow towards the light. She wants to test if light direction affects plant growth. What is the next step in the scientific method?

  • Q2 · Scientific Methodology · MEDIUM

    A researcher conducts an experiment to test if a new fertilizer increases crop yield. He divides his field into two equal parts. One part receives the new fertilizer and the other receives no fertilizer. Both parts get the same amount of water and sunlight. What is the part that receives no fertilizer called?

  • Q3 · Scientific Methodology · MEDIUM

    A student hypothesizes that 'increased temperature will increase the rate of sugar dissolving in water'. He conducts five trials at different temperatures and measures dissolution time. All five trials support his hypothesis. What should be his next step?

  • Q4 · Scientific Methodology · HARD

    A scientist claims that a certain herb cures diabetes. When asked for evidence, he says 'My grandfather used it and lived a long life without diabetes problems.' What is the main scientific weakness in this claim?

  • Q5 · Scientific Methodology · HARD

    In a scientific experiment, what is a 'control group' primarily used for?

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