Change of matter in which a NEW kind of matter is formed, many are non-reversible and forms a new substance
CHEMICAL CHANGE
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The state of matter is determined by
the arrangement and movement of its particles
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Liquid water + heat= water vapor. This is called
Evaporation
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Name the three states of matter
SOLID, LIQUID AND GAS
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Water vapor - heat= liquid water. This is called
Condensation
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Solid water + heat= liquid water. This is called
Melting
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Photosynthesis, baking a cake, iron rust, cooked egg, rotten fruit, respiration, digestion
Examples of chemical changes
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Cutting paper, chopping wood, breaking glass, folding paper, cutting hair, melting ice, boiling water, crushing a can
Examples of physical changes
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Temperature at which a liquid changes into a solid is called
Freezing point. The freezing point of water is 0° C.
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Characteristic of a substance that can only be observed by changing it into a different substance
Chemical property
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Matter that has definite volume, takes the shape of its container, particles are close together but can move over and around each other, no compression