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18 Cards in this Set
- Front
- Back
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What is a volcano? |
A mountain or hill with a crater inside, through which lava are being, or have been erupted. |
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What is the ice age? |
a. The movie b. A glacial expansion during a past geological period. c. Ice melting very quickly |
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When did the ice age occur? |
It lasted 444 years ago. |
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What types of mass extinctions are there? |
Ice Age, Devonian extinction, The Great Dying, Conodont teeth, Dinosaur extinction. |
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What is a mass extinction? |
A mass extinction is when there is a global decrease of a certain species in a small time/period. |
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What is a Tsunami? |
A tsunami is a long high sea wave caused by an earthquake, submarine landslide, or other disturbance. |
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What causes tsunamis? |
Earthquakes, submarine landslides, major volcanic eruptions, large meteorite impacts etc. |
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What is a comet? |
A small sometimes active object, which is composed of dirt and ice. They are characterized by dust and gas tails when proximity of sun. |
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What is a meteoroid? |
They are tiny pieces of asteroid or comet that is orbiting the sun |
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What is a meteorite? |
A meteoroid that survives earth's atmosphere and impact earth's surface |
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What is an Asteroid? |
A small body that is inactive which is composed of rock carbon or metal that orbits the sun |
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What is a Meteor? |
A meteoroid that burns up in earth's atmosphere ( shooting star) |
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How does it occur? |
Meteor showers occur when dust or particles from asteroids or comets enter Earth's atmosphere at very high speed. |
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Marine ecosystems: Coral Reef |
- Very colorful - Underwater ecosystem - Fishes live in there |
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Marine ecosystems: Mangrove Forest |
- Plants, birds, reptiles etc. live inside the mangrove forest - Lots of forests around the world |
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Marine ecosystems: Open Ocean |
- It is very hard to live in that ecosystem because the waves are rough. - Inhabitants: Fishes, seaweed etc. |
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Bathymetry
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Bathymetry is when you measure depth of the ocean. |
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Phytoplankton |
Phytoplankton is |
