SME
Grade 5 Science · Physical Science
Mixing substances and forming new substances
Sort mixes into ones that make a new substance and ones that are just mixtures.
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Did mixing make a new substance?
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Assumptions
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Signs of a new substance: bubbles of gas, a new color, heat or light, a solid forming.
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A mixture can be separated again: with a filter, a magnet or by letting the water evaporate.
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Dissolving does not make a new substance.
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