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Law of Conservation of Mass
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When two different substances are mixed:
Their weight combined
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Can matter vanish?
No
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The law of conservation of mass quiz
atoms are neither created or destroyed during a reaction
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If a pot is left on the stove with water to boil, some of the water disappears. Where did the water go?
When water is heated it changes form from liquid to gas. The gas then escapes into the air.
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What is matter?
Anything that has weight and takes up space.
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What are the 3 phases?
Solid, liquid,gas
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Phase change of water occurs when
Heat energy is added or removed.
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What does conserve mean?
Saved, kept the same.
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What does dissolve mean?
To mix in with another substance. For example: when salt is added to water, it forms saltwater.
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What is a gram?
A scientific unit of measuring how heavy something is. A US dollar bill weights about 1 gram.
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