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15 Cards in this Set
- Front
- Back
Air current
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Stream of air having similar air mass characteristics
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Air mass
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A large body of air that had the same characteristics of moisture and temperature as the surface over which it formed
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Air pressure
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Pressure exerted by Earth's atmosphere
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Algae
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Ant of various chiefly aquatic organisms, ranging in size from single-celled forms to the giant kelp
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Alloy
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Homogeneous (similar) mixture or solid solution of 2 or more metals
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Altitude
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Distance above earth's surface
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Alveoli
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Tiny sacs in the lungs where the gases are exchanged
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Anaphase
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Stage of mitosis & meiosis in which the chromosones move to opposite ends of the nuclear spindle.
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Aristotle
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B.C. Greek philospher,author of works on logic, metaphysics, ethics, natural sciences, politcs, & poetics, he profoundly influenced Western thought
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Antibodies
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Substance profoduced by the body to fight disease
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Arteries
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A branching system of muscular, elastic tubes that carry blood away form the heart to the cells, tissues, & the organs of the body
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Asexual Reproduction
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form the reproduction requiring only one parent
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Asteroids
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Small planet like bodies formed in the universe; not big enough to become a planet.
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Asterolabe
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An instrument, now replaced by the sextant, that can be used to determine that altitude of the sun or other celestial bodies.
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Atmosphere
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Layers of gases that surrounded the Earth.
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