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Science Vocabulary
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having a positive and negative end
polarity
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air mass that forms near the poles; is cooler
polar
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a liquid or a gas that dissolves another substance
solvent
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when the atoms or molecules of a substance stick to other substances
adhesion
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mass per unit volume; the amount of matter in a given amount of space
density
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simplest form of a pure substance that cannot be broken into anything else by physical or chemical means
element
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a measure of the amount of salt in a body of water
salinity
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a positive subatomic particle found in the nucleus of an atom
proton
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when a gas transforms into a liquid as a result of cooling
condensation
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air mass that forms near the equator; is warmer
tropical
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a subatomic particle with no charge (neutral) found in the nucleus of the atom
neutron
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when the atoms or molecules of a substance stick together
cohesion
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air mass that forms over a body of water; is moist
maritime
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the total amount of water found underground, on the surface and in the atmosphere of a planet
hydrosphere
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when a liquid to transform into a gas as a result of heating
evaporation
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smallest particle in a chemical element or compound that has the chemical properties of that element
atom
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rain, snow, sleet, hail
precipitation
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a quick reference for associating the name and symbol of an element
Periodic Table
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a negatively charged subatomic particle found outside of the nucleus of the atom
electron
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the description of the long-term weather patterns and trends of an area over a long time period, typically 30 years or more
climate
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atoms and molecules in the surface of a substance exhibit the property of cohesion
surface tension
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the journey water takes as it circulates from the land to the sky and back again
water cycle
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a body of air that has about the same temperature and moisture throughout
air mass
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air mass that forms over land; is dry
continental
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