Key Words: GEOLOGY UNIT 1.1
- Created by: Brad_ers_B
- Created on: 22-04-14 15:49
The Solar System - the Sun, Planets, their moons, comets and asteroids
The Sun - a star composed of hydrogen and helium. The largest object in the Solar system and contains more than 99.8% of the total mass
Planet - a sizeable object orbiting a star
Moon - a natural satelite orbiting a planet
Asteroids - a rocky object which failed to form a planet
Meteorites - fragments of rock which fall to Earth from space
Comet - composed of ice and dust. The outer layer melts into water vapour as it gets closer to the sun
Terrestrial planets - Earth-like planets (Mercury, Venus, Earth and Mars)
Gas Giants - Jupiter, Saturn, Uranus and Neptune
Rheid - a solid material that flows
Peridotite - a ultramafic igneous rock composed of the minerals olivine and pyroxene with a coarse crystal size
Olivine - a dense, ferromagnesian silicate mineral
Partial melting - where a proportion of the minerals will have a lower melting point, allowing them to melt while the rest remains solid
Geothermal gradient - the rate of increase in temperature per unit depth in the Earth
Kimberlites -…
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