| A | B |
|---|
| melting point | temperature at which matter changes from a solid to a liquid |
| boiling point | temperature at which matter changes from a liquid to a gas |
| folding a pice of paper, or making a piece of play dough into a shape | physical change |
| needed for melting or boiling to occur | energy |
| mass | closely related to an object's weight |
| balance | used to measure an object's mass |
| density | amount of mass in a certain volume |
| matter | anything that has weight and takes up space |
| mass | the amount of material an object has in it |
| liquid | has a definite volume but no shape of its own |
| the helium in a balloon | an example of a gas |
| example of a mixture | vegetable salad |
| solution | one substance spreads evenly throughout the other like choclate milk |
| chemical change | results in a different kind of matter |
| tarnished | how a silver spoon will look when air mixes with certain metals |
| rust | forms when iron joins oxygen |
| burning | the fastest kind of explosion |
| basic unit of measurement | meter |
| 1/100 of a meter | centimeter |
| 1/1000 of a meter | millimeter |
| 1000 meters | kilometer |
| tool used by scientists to measure liquids | graduated cylinder |
| unit for measuring the volume of liquids | liter |
