250 prompts matching "Explain How an impurity changes a melting point Back to Tutor"
Real-life scenario: Why table salt dissolves in water but candle wax does not
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Learn the difference between an atom and a molecule
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Check my understanding of The law of conservation of energy
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Quiz on Potential energy and kinetic energy
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Spot the error: Plants thought to feed through their roots
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Quiz on The part chlorophyll and sunlight play
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Learn why nitrates are needed for protein synthesis in plants
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Real-life scenario: An outbreak of cholera in a crowded market
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Common mistakes on Antibiotics thought to work against a virus
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Quiz on The metals, the non-metals and the metalloids
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Hands-on activity for Building the first twenty elements as a wall chart
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Check my understanding of Giant structures and simple molecular structures
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Hands-on activity for Modelling a giant lattice with what is at hand
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Common mistakes on Density and weight confused with each other
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Check my understanding of Why some objects float and others sink
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Quiz on The density of water and what it is used for
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Learn practical ways to prevent rusting in Nigerian homes and workshops
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Hands-on activity for Building a simple windmill from paper
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Check my understanding of Sorting energy sources into renewable and non-renewable
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Real-life scenario: The electricity bill at home and what uses the most
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