Sunday Special – Your Planet

[luckytrim]

Sunday Special – Your Planet

1. Study of Earth's physical properties...
( Hint ; Not “Astrophysics"....)
2. Study of the motion of the Earth's plates...
3. Earth's age...
4. Earth's top layer...
5. Earth's layer beneath the top layer...
6. Ancient super-continent; 240 million years ago...
7. What a large volcanic crater is called...
8. Iron Pyrite is more commonly called.....
9. Aluminum ore...
10. Hardest carbon...
11. Soft carbon...
12. Hard coal...
13. Soft coal
14. Dense rock formed from cooling lava...
15. Glass formed from cooling lava...
(Hint; "O_________" )
16. Most abundant of the three types of rock...
17. Shale is this rock type...
18. Cave ceiling fixtures....
19. The second-hardest gemstone after the diamond...
a. – Topaz
b. – Ruby
c. – Aquamarine
d. – Sapphire
20. Number 16's most common rock...
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1. Geophysics
2. Plate Tectonics
3. - 4.5 billion years
4. Crust
5. Mantle
6. Pangaea
7. Caldera
8. Fool's Gold
9. Bauxite
10. Diamond
11. Graphite (Also accepted, "Amorphous Carbon ...)
12. Anthracite
13. Bituminous
14. Basalt
15. Obsidian
16. Igneous
17. Sedimentary
18. Stalactites
19. – b
20. Granite