A | B |
volume | the amount of space an object takes up |
matter | anything that takes up space and has mass |
mass | the amount of matter in an object (measured in grams & kilograms) |
solid | matter that has size and volume but no shape |
liquid | matter that has definite size and volume but no shape, molecules are spaced apart and flow against each other |
gas | matter that has no size, shape or volume. the molecules are spaced far apart and bounce off each other |
atoms | the smallest particle of matter. these form molecules |
physical change | changes size, shape or state but stays the same matter |
solids that dissolve in water | salt, sugar and kool aid |
solids that DO NOT dissolve in water | sand & clay |
heat helps things | dissolve faster |
matter is made of parts | too small to be seen without magnification |
magnification is when u | make something bigger so u can see smaller parts |
physical properties (size, shape, and state) | stay the same even when matter is reduced in size |
physical change of melting ice | changes state |
phyical change of cutting bread | change size |
physical change of rolling playdoh | changes shape |