| A | B |
|---|
| matter | anything that has mass and volume |
| mass | the amount of material in an object |
| volume | the amount of space an object takes up |
| weight | a measure of the force of gravity |
| atomic number | the number of protons in an atom |
| atomic weight | the protons + the neutrons in an atom |
| quartz | a regular geometric solid with smooth surfaces |
| silicates | mineral compounds that include silicon and oxygen |
| tetrahedron | basic building block of a silicate |
| cleavage | a mineral's tendency to split along definite lines |
| streak | the color of a mineral's powder |
| fracture | what it's called if minerals break along jagged lines |
| Mohs | the scale used for testing hardness |
| specific gravity | ratio of mass to the mass of an equal volume of water |
| feldspars | the most abundant family of minerals |
| pyrite | fool's gold |
| density | the mass per volume of a substance |
| diamond | the hardest mineral |
| talc | the softest mineral |
| magma | molten rock |
| malleable | can be hammered into shape without breaking |
| ductile | can be drawn out into a thin wire without crumbling |
