4.5: Earth's Minerals and Rocks- Challenge 1
- Page ID
- 5365
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- 1. A mineral's shape is determined by the arrangement of its ___.
- atoms
- 2. Minerals are ___, ___, and ___.
- solid, naturally occurring, specific chemical compounds
- 3. What is an example of a rock that's not a mineral?
- Coal is a rock but not a mineral, because it forms from organic matter.
- 4. Minerals are divided into groups by ___ composition.
- chemical
- 5. ___ make up over 90% of Earth's crust.
- Silicates
- 6. ___ are salts that form when salt water evaporates.
- Halides
- 7. ___ is a measure of whether a mineral can scratch or be scratched by another mineral.
- Hardness
- 8. ___ is the color of the powder a mineral leaves behind after it is rubbed against another surface.
- Streak
- 9. Luster describes ___.
- how shiny or dull a mineral appears
- 10. A ___ plots the stability of the various states (solid, liquid, gas) of a compound as a function of temperature and pressure.
- phase diagram
- 11. Minerals, carried by hot water, fill cracks in rocks to form ___.
- veins
- 12. Which lake in California contains many mineral precipitates?
- Mono Lake