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17 Cards in this Set
- Front
- Back
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Mass |
The amount of matter that is in an object |
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Matter |
Anything that has mass and takes up space. |
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Volume |
The amount of space an object takes up. |
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Conductors |
Materials that easily allow energy to move through them. |
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Insulators |
Materials that DO NOT easily allow energy to move through them. |
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The best way to measure the mass of a solid- |
A balance |
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Solids |
Have a definite shape and volume. |
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Liquids |
Have a definite volume, but not a definite shape. |
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Gasses |
Do not have a definite shape or volume. |
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Melting |
Occurs when a solid is heated enough to change to a liquid. |
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Freezing |
Occurs when a liquid cools enough to form a solid. |
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Evaporation |
Occurs when liquids change to a gas as heat is added. |
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Condensing |
Occurs when a gas is cooled enough (heat removed) to for a liquid. |
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What is an example of condensing? |
Droplets of water on a glass of ice water on a hot day. |
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What allows heat to move easily through them? |
A conductor: examples are metal pans, utensils, iron, steel. |
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What does NOT allow heat to move easily through them? |
Insulators: examples are cloth, rubber, wood. |
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What are the sun, a stove and a fire? |
Sources of heat. |
