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Properties of Matter
Houghton Mifflin Science chapter 12 review - Grade 4
| vocabulary word | definition |
|---|---|
| atom | the smallest particle of matter that has the properties of that matter |
| matter | anything that has mass AND takes up space |
| molecule | a single particle of matter that is made up of two or more atoms joined together |
| physical property | a characteristic of matter that can be observed without changing matter into something new |
| states of matter | three forms that matter usually takes |
| solid | a state of matter that keeps its shape |
| liquid | a state of matter that takes the shape of its container |
| gas | a state of matter that spreads apart or squeezes together to fit into a space |
| metric system | a system of measurement based on multiples of 10 |
| meter | a unit to measure length |
| liter | a unit to measure volume |
| gram | a unit to measure mass |
| mass | the amount of matter in an object |
| weight | the measure of the pull of gravity on an object |
| kilometer | equal to 1000 meters |
| centimeter | equal to 10 millimeters |
| volume | amount of space that matter takes up |
| graduated cylinder | the tool used to measure volume |
| physical property | color, shape, texture, density, or state of matter of an object |
| density | how much matter is in a given space, or volume |
| chemical property | a characteristic of matter that can be observed ONLY when matter is changed into a new kind of matter |
| rusting | an example of a chemical property |
| burning | an example of a chemical property |
| chemical property | how matter reacts with air, heat and water |