1) What does an Arenophile collect?
Sand
2) What is the Geological term for grotesquely shaped rocks?
Hoodoos
3) Named after the Swedish Chemist Albert Atterberg, what does the Atterberg Limits classify?
Soil
4) What Geological term is used to describe an isolated rock formation or hill that abruptly rises from the surrounding plain ground, like the Ayers Rock in Australia?
Inselberg
5) What term describes ash and rocks that are ejected from a volcano and flies through the air?
Tephra
6) Green sand beaches are rare. What mineral imparts the green colour to this sand?
Olivine
7) What term in the Geological vocabulary defines a depression formed by the collapse of the cone of a volcano?
Caldera
8) Who proposed the Gaia Hypothesis, which views the Earth as a self- regulating organism?
James Lovelock
9) When is Earth Day celebrated each year and who founded it in 1970?
22nd April, Gaylord Nelson, a United States Senator
10) Name the 12 point scale used to measure the intensity of an Earthquake.
Mercalli intensity scale
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