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Matter Unit 2 young
| Term | Definition |
|---|---|
| Conductivity | ability to conduct electrical current |
| Density | the amount of matter that will fit into a given amount of space |
| Ductility | ability to be stretched into a wire without breaking |
| Hardness | ability of a mineral to resist scratching |
| Luster | how the surface of a mineral appears when it reflects light (e.g., shiny or dull) |
| Malleability | ability to be formed or shaped under pressure (e.g., metals hammered or rolled into thin sheets) |
| Mass | the amount of matter in something |
| Volume | the amount of space that a substance or object occupies |
| Metalloids | substances that exhibit some properties of metals and nonmetals |
| Metals | substances that have the physical properties of luster, conductivity, and malleability; may appear in all three states of matter |
| Nonmetals | substances that have the physical properties of being dull, insulators, and brittle; may appear in all three states of matter |
| Streak | the color of a mineral seen when rubbed on a streak plate |