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14 Cards in this Set
- Front
- Back
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Define interdiciplinary
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multiple sciences in one study
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scientific method is:
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observation, hypothesis, test, explanation
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limitations of the method:
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must be tested
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Who is responsible for jumpstarting sailing around the world?
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Prince Henry the Navigator
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First purely scientific voyage?
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The Challenger expedition
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define density stratification
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gravitation pulled objects with the highest density toward the core
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first atmosphere was made of:
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hydrogen and helium
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second atmosphere was made of:
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water vapor, CO2, hydrogen, sulfur
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third atmosphere was made of:
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water vapor, nitrogen, hydrogen, oxygen.
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How do we know how old Earth is?
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radiometric dating
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What was the Stanley Miller experiment?
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mixed early-atmosphere components to find out organic molecules can form spontaneously in early-earth conditions
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Natural selection is
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survival of the fittest
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two bonds of atoms
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covalent: share electrons
ionic: charges attract |
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two bonds of water:
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hydrogen bond, van der Waals bond
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