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22 Cards in this Set
- Front
- Back
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Unit for Mass
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Kilogram, gram, milligram
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Element
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All the atoms in one of these are exactly alike
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Symbol
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represents elements in formulas
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compound
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two or more elements that are chemically combined
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mixture
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two or more elements that are not chemically combined
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nucleus
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tiny central core of an atom
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electrons
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negatively charged particles that rotate in all directions around the nucleus
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universal solvent
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water is this because it dissolves so many things
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polar
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water is this because it has a slightly negative end and slightly positive end
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Physical Weathering
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abrasion, ice wedging, actions of animals and plant growth
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Chemical Weathering
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Oxidation, water dissolving limestone, acid rain
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Ice Wedging
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Breaking of rocks by waters repeated freezing and thawing in cracks
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Renewable Resources
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Resources that can be replaced naturally
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Exothermic Reaction
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Energy is released in the form of heat
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Endothermic Reaction
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Energy is absorbed
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O degrees Celsius
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Freezing point of water
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100 degrees Celsius
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Boiling point of water
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weight
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the measure of the pull of gravity on an object
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Chemical Bond
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The force that holds atoms together
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Sanitary Landfill
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Safe way to hold municipal solid waste
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Mining
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Removing nonrenewable resources from the ground such as copper and iron
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bedrock
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the solid layer beneath the soil
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