| A | B |
|---|
| Matter | anything that has mass and takes up space |
| Mixture | contains more than one kind of matter |
| Homogeneous Mixture | a mixture that contains more than one type of matter and is the same throughout |
| Heterogeneous Mixture | a mixture that contains more than one type of matter and is not the same throughout |
| Substance | cannot be separated into different kinds of matter by physical means such as sorting, filtering, heating, or cooling |
| Element | a substance that contains only one type of matter (neon, helium, …) |
| Atom | smallest particle of an element that still retains the property of that element |
| Compound | substance that contains more than one type of matter that cannot be separated by physical means (2 or more elements such as sodium chloride) |
| Molecule | smallest particle of a compound that still retains the property of that compound |
| Volume | how much space matter occupies.….measured using a ruler (l x w x h) or a beaker/graduated cylinder |
| Mass | how much matter there is…..measured using a balance (g) |
| Meniscus | upward or downward curve of a liquid in a graduated cylinder |
| Solid | phase of matter in which molecules vibrate in place…..retains shape and size |
| Liquid | phase of matter in which molecules move over and around each other…..retains size (volume), no definite shape |
| Gas | phase of matter in which molecules move randomly and separate…..no definite shape or size (volume) |
| Plasma | phase of matter abundant in the Universe, rarely found on Earth (stars, sun, neon, lightning, …) |
| Condensation | gas to liquid (helps create snow, rain, …) |
| Evaporation | liquid to gas |
| Sublimation | solid to gas (dry ice) |
| Melting point | temperature at which a solid becomes a liquid |
| Boiling point | temperature at which a liquid becomes a gas |
| Indirect measurement | calculating size of very large or small objects through use of proportional relationships |
| Displacement | measuring volume by placing an object in water and recording the change in water level |
| Gram (g) | metric unit for measuring mass…..about the size of a paperclip |
| Silver | element on the periodic table…..classified as a substance, not a mixture |
