| A | B |
|---|
| absolute zero | The state in which molecules of matter are not moving at all. |
| atom | The smallest particle of matter that can exist. |
| boiling point | The temperature at which a liquid turns into a gas. |
| chemist | A scientist who studies matter. |
| condensation | Gas changing phase to a liquid. |
| density | The amount of matter packed into a given space. |
| gas | Matter with no definite shape and no definite volume. |
| graduate | A container marked with exact units of volume. |
| gram | The metric unit used for measuring mass. |
| heat | The energy of moving molecules. |
| hypothesis | A guess, made for the purpose of testing an idea. |
| liquid | Matter with no definite shape and a definite volume. |
| liter | Metric unit used for measuring volume, especially liquids. |
| mass | The amount of matter in something. Measured with a balance. |
| matter | Anything which takes up space and has mass. |
| melting point | The temperature at which a solid changes to a liquid. |
| meter | Metric unit used for measuring length. |
| metric system | A system of measurement which uses prefixes and multiples of 10. |
| molecule | A very small particle of matter made of two or more atoms. |
| prefix | A group of letters at the front of a word which changes the meaning of the word. |
| property | Something which describes matter. A trait of matter. |
| solid | Matter with a definite shape and a definite volume. |
| vibrate | To move back and forth very quickly, or wiggle. |
| volume | The amount of space something takes up. |
| weight | A measure of how hard gravity is pulling on mass. |
| kilo- | A metric prefix meaning thousand. |
| centi- | A metric prefix meaning hundredth. |
| milli- | A metric prefix meaning thousandth. |
| grams per cubic centimeter | Metric unit used to measure density. |
| balance | An instrument for measuring mass. |
