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32 Cards in this Set
- Front
- Back
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Atmosphere
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The mass of air surrounding a planet (57)
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Atmospheric pressure
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The pressure exerted by the atmosphere on all objects within it (57)
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Barometer
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An instrument used to measure atmospheric pressure (60)
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Exosphere
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The region of the atmosphere above an altitude of 460 kilometers (75)
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Heat
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Energy that is being transferred (68)
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Heterosphere
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The upper layer of earth's atmosphere, which exists higher that 80 kilometers (50 miles) above sea level
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Homosphere
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The lower layer of earth's atmosphere, which exists from ground level to roughly 80 kilometers (50miles) above sea level (61)
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Ionosphere
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The region of the atmosphere between the altitudes of 65 kilometers and 330 kilometers where the gases are ionized (76)
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Jet stream
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A narrow band of high-speed winds that circle the earth, blowing from west to east (64)
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Mesosphere
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The region of the atmosphere that spans altitudes of 48 kilometers to 80 kilometers (50 miles) (63)
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Stratosphere
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The region of the atmosphere that spans altitudes of 11 kilometers to 48 kilometers (30 miles) (63)
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Temperature
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A measure of the energy of motion in a substance's molecules (69)
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Cohesion
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The phenomenon that occurs when individual molecules are so strongly attracted to each other that they tend
to stay together, even when exposed to tension (97) |
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Thermosphere
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The region of the atmosphere between altitudes of 80 kilometers and 460 kilometers (75)
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Troposphere
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The region of the atmosphere that extends from ground level t roughly 11 kilometers (7 miles) above sea level(63)
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Electrolysis
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Using electricity to break a molecule down into its constituent elements (81)
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Hard water
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Water that has certain dissolved ions in it, predominately calcium ions (100)
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Polar molecule
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A molecule that has slight positive and negative charges due to an imbalance in the way electrons are shared (88)
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Solvent
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A liquid substance capable of dissolving other substances.
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Solute
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A substance that is dissolved in a solute.
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Hard water
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Water that has certain dissolved ions in it, predominately calcium ions
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Hydrosphere
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The mass of water on a planet.
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Hydrologic cycle
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the process by which water is continuously exchanged between earth's various water sources.
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Transpiration
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Emission of water vapour from plants.
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Distillation
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Evaporation and condensation of a mixture to separate out the mixture's individual components.
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Condensation
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The process by which water vapor from plants.
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Precipitation
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Water falling from the atmosphere as rain, snow, sleet, or hail.
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Adiabatic cooling
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The cooling of a gas that happens when the gas expands (125)
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Condensation
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The process by which water vapor turns into liquid water (109)
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Percolation
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The process by which water passes from above the water table to below it (122)
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Residence time
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The average time a given molecule of water will stay in a given water source (112)
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Epicenter
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The point on the surface of the earth directly above an earthquake's focus (149)
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