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27 Cards in this Set
- Front
- Back
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The universe is made of mostly this.
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Hydrogen atoms
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What physical process keeps the sun going?
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The burning of hydrogen fuel.
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Where did the moon come from?
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It's the metallic core of a planetary body that smashed into Earth.
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How was the Earth formed?
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The heat of a protostar (the sun) ejected debris which became a solar system. The earth is a piece of that debris.
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When did the Big Bang happen?
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13 billion years ago
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When did the Earth form?
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4.6 billion years ago
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When was the first evidence of life?
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3.6 billion years ago
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When was the oxygen revolution?
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2 billion years ago
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This person charted New Zealand, charted the Great Barrier Reef, mapped ten new islands, discovered Hawaii, charted the west coast of the United States, and took samples of biological and geological discoveries. Was killed in Hawaii.
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James Cook
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This person discovered America.
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Christopher Columbus
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Wrote "Structure and the Distribution of Coral Reefs". Correctly identified how coral reefs are formed.
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Charles Darwin
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Invented the compass and the central rudder. Also invented water-tight compartments and sophisticated sails on multiples masts.
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The Chinese
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Depended on star positions for navigation. Colonized Hawaii and other islands.
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The Polynesians
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This person was the first to calculate the circumfrence of the Earth.
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Eratosthenes
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This person invented the chronometer.
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John Harrison
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This allowed the time method of navigation to be implemented on ships.
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The chronometer
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Name the first university.
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Library of Alexandria
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A ring of coral islands and reefs surrounding a central lagoon.
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Atoll
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An underwater volcano or mountain with a flat top.
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Guyot
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The flat, deep ocean floor
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Abyssal plain
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Underwater avalanche of sediments
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Turbidity current
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The layer of the earth that plates slide around on.
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Asthenosphere
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Rigid outer layer of the earth, including oceanic and continental crusts.
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Lithosphere
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The center of the earth, hot nickel and iron.
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Inner and outer core
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A region that is geologically different from the regions around it.
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Terrane
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A place where two plates come together and one slides underneath the other.
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Subduction zone
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A slice of the ocean's crust that has slid into the continental crust
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Ophiolite
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