words
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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| Chemical change | Rearranging molecules and atoms yo form a new substance
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| Physical change | occurs when the appearance of a substance changes, but chemically the substance is the same
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| Atom | basic unit of matter that consists of dense central nucleus
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| Nucleuse | central and most important part of an atom or cell
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| Atomic number | number of protons in the nucleus of an atom
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| Balanced force | when the total of all forces on an object equals zero
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| Unbalanced force | when the net force on an object is greater than zero
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| Speed | Distance traveled by an object in a givin amount of time
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| Velocity | an object speed and directionat a givin instant
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| force | push or pull
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| mass | a unified body of matterwith no specific shape
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| volume | amount of space occupied by a three-dimensial object or region of space expression cubic units.
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| density | the quantity of something per unit of measure, especially unit per lenght or volume
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| Triple beam balance scale | Measure mass of an object
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| Graduated Cylander | Accurate measure of volume
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| Valence Electrons | an electron in the outershell of an atom, negative charge
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| Law of conservation of mass | states of the product is equal to the reactant side of an equation of atoms
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| subscript | is the tells the # of type of atom in one molecule.
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| coefficient | tells the number of molecules.
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| Atomic Mass | Is protons and neutrons.
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| force | push or pull
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| mass | a unified body of matterwith no specific shape
🗑
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| volume | amount of space occupied by a three-dimensial object or region of space expression cubic units.
🗑
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| density | the quantity of something per unit of measure, especially unit per lenght or volume
🗑
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| Triple beam balance scale | Measure mass of an object
🗑
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| Graduated Cylander | Accurate measure of volume
🗑
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| Valence Electrons | an electron in the outershell of an atom, negative charge
🗑
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| subscript | is the tells the # of type of atom in one molecule.
🗑
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| coefficient | tells the number of molecules.
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| Atomic Mass | Is protons and neutrons.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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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.
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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