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27 Cards in this Set
- Front
- Back
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DIATOMACEOUS EARTH
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Skeletal remains of diatoms, aquatic organisms with hard shells made of silica
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CHEMICAL REACTION
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A change that occurs as a result of mixing two or more materials together. A reaction results in the formation of new materials with different properties from the original ones.
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SATURATED SOLUTION
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A solution in which no more material will dissolve and additional material settles to the bottom like a beach
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DENSITY
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The amount of mass that a material has for its volume.
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DILUTE
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A solution less concentrated made usually by adding more liquid.
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BOILING
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The name for the process of the vaporization of liquid, usually of water.
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EVAPORATE
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To dry up or to change from a liquid to a gas
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FREEZING
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The process by which a substance changes from its liquid to its solid state.
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SOLUTION
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A special mixture that is formed when a material dissolves in a liquid and cannot be filtered out
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SODIUM CHLORIDE
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A white, crystalline material that dissolves in water also known as table salt
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SCIENTIFIC METHOD
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The sequence of actions which includes stating a problem, predicting, planning, and carrying out an experiment, recording data, and drawing a conclusion.
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MOLECULE
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A chemically combined group of two or more like or unlike atoms.
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GAS
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One of the three phases of matter. The other two being liquid and solid. Carbon dioxide is one example of this.
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PROPERTY
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A characteristic of an object. Something you can observe such as size, color, shape or texture.
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VOLUME
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A three-dimensional space occupied by something
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DISSOLVE
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The process of a material mixing with a liquid in a special way. When salt mixes with water, it seems to disappear and cannot be seen until the water dries up
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MELTING
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The process by which a substance changes from its solid to its liquid state.
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CHANGE
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A word that means to become different
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SOLUBILITY
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The property that substances have of dissolving in solvents, such as the solubility of salt in water.
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MIXTURE
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Two or more materials mixed or stirred together
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ATOM
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What the smallest part of matter called
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CRYSTAL
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The solid from of a material that can be identified by its special shape or pattern. Examples include salt, quartz, and ice.
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MASS
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The amount of matter that is in an object.
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PRECIPITATE
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A solid material that forms as a product of a reaction.
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ELEMENT
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Something that is found on the periodic table. It contains only atoms of the same type.
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CONCENTRATION
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The amount of material dissolved in a measure of liquid. The more material dissolved in the liquid, the more concentrated the solution.
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COMPOUND
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A substance that is composed of two or more elements, combined chemically.
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