Rocks & Minerals

3. The only rock that is light enough to float in water
5. Remains of plants or animals preserved in sediments that form this type of sedimentary rock…
7. Liquid rock in the crust or mantle
9. The process of natural material being worn down by the elements; wind, rain, ice, snow, acid, and temperatures
11. This porous rock is what Florida’s ‘bedrock,’ is made of
13. Extrusive igneous rocks form when this erupts
15. A hollowed rock or mineral containing an inner lining of crystals
16. This scale, named after a German geologist, rates the hardness of minerals and precious stones
17. These bodies of water near a volcano or magma chambers can reach 4000 degrees F

1. Metamorphic rocks change under heat and _____________
2. The process of natural material being moved from one place to another by natural forces; most commonly by wind and water
4. The mineral drippings that hang from a cave’s ceiling
6. Obsidian is a type of _________ rock
8. The study of the Earth’s physical features, including rocks and minerals
10. This mineral, made from pure carbon, is the hardest substance known to man
12. The mineral droppings that collect and build from the floors of the caves
14. A natural underground chamber or opening caused by extensive weathering