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Changes
Physical and Chemical Changes
Question | Answer |
---|---|
A change in matter that produces new kinds of matter with different properties | chemical change |
A change in the way something looks without changing it into a new kind of matter | physical change |
Matter made up of two or more substances that are combined physically | mixture |
A mixture in which the particles are mixed together evenly and throughout | solution |
To mix completely by separating into particles that cannot be seen | dissolve |
In a chemical change, the matter that you start with is the _______________ | reactant |
Breaking glass is an example of a ____________ __________ | physical change |
A nail rusting is an example of a ___________ ___________ | chemical change |
Water that is boiling, evaporating or condensing is an example of a ___________ ____________ | physical change |
Paper or a candle burning is an example of a ___________ ______________ | chemical change |
Dissolving salt or sugar in a liquid is an example of a ___________ ______________ | physical change |
How can you change matter from one state to another? | by adding or removing heat |
Mixtures are substances that are: | not chemically changed and can be physically separated |
Acid rain weathering rock is an example of : | chemical change or weathering |
When a firefly gives off light, is that an example of a chemical or physical change? | chemical change (bioluminescence) |