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Definition
| The study of the properties of matter and how matter changes. |
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Definition
Anything that has mass and volume.
ex.- air, and just about any noun you name |
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Definition
| The ability to do work or cause a change in matter. |
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Characteristic of a substance that can be observed without changing the substance into something new.
ex.-color, size, shape |
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Definition
Characteristic that can only be observed when two substances interact.
ex.- wood is flammable (wood+flame) |
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A change in matter that produces a new substance.
ex.- iron rusting |
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A change in form or appearance that does not change into a new substance.
ex.- freezing water into ice |
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Definition
The smallest type of matter that can not be broken down.
ex.- oxygen, carbon, gold |
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Definition
Two or more elements chemically combined in a set ratio (proportion).
ex.- H20 (2-hydrogen 1-oxygen) |
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Two or more substances (elements or compounds) in the same place; not chemically combined, not in a set ratio.
ex.- cinammon sugar, salt water |
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Definition
Energy in motion, moving things.
ex.- A spinning fan has mechanical energy. |
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Definition
Energy of heat. Movement of molecules inside a substance.
ex.- A toaster produces more thermal energy than a refrigerator. |
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Definition
Energy in light, visible and invisible.
ex.- x-ray, TV signal, lights |
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Energy in moving electrons.
ex.- Power outlets provide electrical energy. |
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Definition
Energy stored in matter.
ex.- There is chemical energy in fuel that we burn and food we eat. |
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Definition
The amount of matter in an object.
instrument- balance
unit- gram |
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Definition
The measure of the pull of gravity on an object.
instrument- spring scale
unit- Newton |
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Definition
The amount of space an object fills.
instrument- graduated cylinder
unit- liter
or
length x width x height |
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Definition
The distance from one point to another point.
instrument- meter stick
unit- meter |
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Definition
The amount of mass in a given volume. How tightly packed the molecules are.
Density=mass/volume |
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