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matter
sixth grade science
term | definition |
---|---|
Mass | amount of matter that makes up an object. |
Volume | amount of space that something takes up. |
Weight | measure of the pull of gravity on an object. |
Density | measure of the amount of matter in a given space - mass per unit volume is this. |
Physical properties | properties of matter that can be seen or measured without changing the substance into somehting else. |
Chemical properties | properties of matter that forms new substances when it reacts with something else. |
condensation | change of state from gas to a liquid. |
Physical change | appearance of a substance changes but its properties stay the same. |
Chemical change | one or more substances change into completely new substances with different properties. |
Liquid | Definite Volume but no definite shape |
Gas | No particular shape or volume |
Plasma | state of matter that does not have definite shape or volume. |
Solid | has definite shape and volume |