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WYLIE Science_UB_1
4th grade WYLIE Science Unit B_ch 1
Term | Definition |
---|---|
matter | anything that had mass and takes up space |
mass | the amount of material that an object has in it |
volume | the amount of space that matter takes up |
mixture | two or more substances that are mixed together but can be easily separated |
solution | a mixture in which one substance spreads evenly throughout another substance |
meter | a unit for measuring length |
cubic meter | a unit for measuring the volume of a solid |
liter | a unit for measuring volume |
graduated cylinder | a tool used to measure the volume of liquids |
gram | the basic unit for measuring mass |
density | how much mass is in a certain volume of matter |
physical change | a change in matter that changes the physical properties, but does not produce a different kind of matter |
melting point | the temperature at which matter changes from a solid to a liquid |
boiling point | the temperature at which matter changes from a liquid to a gas |
freezing point | the temperature at which matter changes from a liquid to a solid |
chemical change | a change in matter that produces a different kind of matter |