Download 3. Rocks, Minerals, and Rock Cycle test review (crossword clues)

CROSSWORD CLUES
MINERALS, ROCKS & ROCK CYCLE REVIEW
Across
8. A mineral is a __________ occurring, inorganic, solid that has a crystal structure &
definite chemical composition.
9. the most common igneous rock.
10. Most commont rock type in the earth's crust.
12. Minerals are said to be __________, because they do not come from living things.
13. Metamorphic rocks that are formed from igneous rocks.
15. Something with a definite volume and shape.
17. The type of rock that has a complete CHANGE in appearance.
20. Igneous rocks form from the cooling of liquid _________.
22. The series of processes that slowly change rocks from 1 kind to another.
23. The softest mineral in your collection.
24. A substance made of 2 or more elements.
25. Which property is not used to identify a mineral? Hardness, color, streak, mass,
luster
27. How many thousands of minerals have been identified?
28. Rocks are made up of ________ or a mixture of _________.
Down
1. Three types of rocks: Igneous, __________ and metamorphic.
2. A mineral's ability to split evenly along flat surfaces.
3. The study of rocks.
4. Minerals have certain ______________ that are used to identify them.
5. The only mineral in our collection that tested positive (bubbled) for the HCl test.
6. igneous rock that forms below the surface of the earth.
7. True/False A mineral contains certain elements in definite proportions.
11. Temperature, pressure and chemical interactions help rocks to ___________.
14. There are about how many common minerals?
16. The hardest mineral known to man.
18. processes on the earth's surface that break down _________ into sediment include
water, wind, and waves.
19. Sedimentary rocks form from sedimentation and ___________ of material.
21. A substance mad of a single kind of atom.
26. A mineral's ability to glow under ultraviolet light.