250 prompts matching "Explain How an impurity changes a melting point Back to Tutor"
BECE questions on The advantages and the drawbacks of each source
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Explain back: Why the body must excrete
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Understand how a sperm and an egg cell combine to form a fertilised egg
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Explain back: What makes charge flow in a circuit
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Explain back: Why a skill is worth having beside a certificate
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Spot the error: Energy thought to be used up rather than changed
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Learn how water and mineral salts travel up to the leaf
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Learn what a pathogen is and how it causes disease
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Practice questions on The speed of sound and how it is measured
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Quiz on How the human ear receives sound
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Hands-on activity for Measuring how long a kettle takes to boil
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Learn how to calculate resistance using resistance = voltage divided by current
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Quiz on How variation, competition and survival fit together
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Quiz on How a star is born in a cloud of dust and gas
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Hands-on activity for Testing three soils for how fast water passes through
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Learn how soil erosion and flooding affect Nigerian communities
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Practice questions on The three kinds of radiation and how far each travels
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BECE questions on Half-life and how it is used
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Roleplay: Explaining the safety rules to a visitor to an X-ray room
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Learn how a JSS3 student can start preparing for a science career
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