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Earth Forms
Ch 2 Les 1 Voc
Question | Answer |
---|---|
life support system | system that provides everything needed to stay alive |
debris | remains of something that was destroyed |
molten | melted into a liquid |
crust | outer layer of the Earth |
continental crust | lighter crust that makes up the continents |
oceanic crust | heavier crust that makes up the ocean floor |
mantle | layer of the Earth that surrounds the core |
core | hot center of the Earth |
vent | an opening in the Earth that lets out gases and other materials |
eruption | explosion from beneath the Earth's surface |
toxic | poisonous |
meteorite | a piece of rock that hits the surface of a planet or moon after traveling through space |
comet | a ball of ice, rock, frozen gases, and dust that orbits the sun |
bacteria | the simplest organisms that carry out all basic life activities |
extremeophile | a tiny organism that lives in one of Earth's harshest environments |
cyanobacteria | first organisms on Earth to use sunlight to make their own food; also known as blue-green algae |