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4th Grade Matter
Unit 1 and 2 Vocabulary
Term | Definition |
---|---|
mass | the amount of matter in an object (not weight) |
volume | the amount of space a substance or material takes up |
matter | anything that has mass and takes up space |
more dense | sinks |
less dense | floats |
magnetism | objects attracted to a magnet |
physical property | characteristics that can be measured and observed |
states of matter | solid, liquid, gas |
temperature | the amount of heat present in an object or substance |
dissolve | when a substance break up into particles so small they can't be seen |
mixture | mixing 2 or more substance together that CAN be easily separated, ex. salad |
solution | mixing 2 or more substances together that CANNOT be easily separated, ex. kool-aid |
separate | to keep apart |
substance | material from which something is made |
attract | to pull together |
repel | to push apart |