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10 Cards in this Set
- Front
- Back
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what is law of conservation of mass
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states that the mass of what you end with is always the same
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what is physical change
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the identity doesn"t change but a physical property of a substance changes
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what is a physical property
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is something that can be observed or measured without changing the identity of the material. Ex: ruler or loaf of bread.
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chemical change
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a chemical change does change its identity
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chemical property
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gives a substance the ability to change into something else. Ex: burning wood to ash
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what are physical changes
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freezing of water,decaying wood,burning paper,grinding a rock into dust,breaking glass,baking a cake,,melting an ice cube,crumbling a piece of paper,chopping up lettuce,heating sugar until it turns into carmel
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what are chemical changes
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dissolving surgar into water,evaporation of water,rusting nail or tarnishing silver,boiling water changing to steam,a rotting bananna
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physical properties
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color,shape,texture,length,mass,volume,density, luster, boiling and melting point
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chemical properties
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flammability,ability to react with another substance,ability to react with oxygen,light, or water(metals corrode)
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what is matter
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matter is mass
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