Study cards for Mrs. Burkett's 7th grade academic classes Matter Unit
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Anything with mass and takes up space | Matter
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Words or phrases used to describe an object | Properties
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Two substances mixed together but not chemically combined | Mixtures
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A mixture that appears to be the same throught, well mixed | Homogeneous mixture
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A mixture that does not appear to be the same throughout, least mixed | Hetergeneous mixture
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A type of Hetergeneous mixture when one substance is disssolved in another | Solution
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The substance that does the dissolving in a solution | Solvent
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The substance that is dissolved in a solution | Solute
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A change when the substance stays the same | Physical change
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A chance in which a new substance is formed | Chemical change
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When two or more substances are chemically combined | Compounds
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The smallest part of a compound with all the properties of that compound | Molecule
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A number to the lower right of an a element symbol in a chemical formula, Tells how many atoms are in are present in a compound | Subscript
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In front a of a chemical formula, tella how many molecules are in the formula | Coefficient
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The simplest pure substance | Element
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The smallest part of a element with all the properties that that element has | Atom
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The center of an atom | Nucleus
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Neutral charge and are found in the nucleus of an atom | Neutrons
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Have a + charge and are found in the nucleus of an atom | Proton
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Have a - charge and are found outside of the nucleus | Electron
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Electrons are found here | Energy levels outside the nucleus
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Equal to the # of protons in the atom | Atomic #
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Sum of the protons and neutrons | Mass #
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Phase of matter with no definite shape but has a definite volume | Liquid
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Phase of matter with no definite shape or a definite volume | Gas
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Phase of matter with both a definite shape and a definite volume | Solid
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Must be added to or taken away from a substance in order for a phase change to occur | Energy
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A solid changing to a liquid | Melting
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A liquid changing to a solid | Freezing
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A liquid changing to a gas only at the surface of the liquid | Evaporation
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Gas changing to a liquid | Condensation
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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