vocabulary
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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element | a substance that cannot be broken down into other substances by heat, light or electricity
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periodic table | a chart that classifies elements by their properties
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atom | the smallest particle of an element that has the properties of the element
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nucleus | the center of an atom, where protons and neutrons are located
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proton | particle in an atom that has positive charge
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neutron | particle in an atom that has no charge
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electron | particle in an atom that has a negative electrical charge
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molecule | two or more atoms joined together; the smallest unit of many substances
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compound | a substance made up of atoms of more than one element joined together in a molecule
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mixture | two or more substances that are mixed together, but can be separated out because their atoms are not combined
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solution | a mixture in which substances break up into their most basic particles, which are too small to be seen, and spread evenly through another substance
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physical property | a way of describing an object using traits that can be observed or measured without changing the substance into something else
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physical change | a change in one or more physical properties
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chemical property | describes the way a substance reacts with other substances
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chemical change | a change that produces new substances with new properites
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chemical reaction | a process that produces one or more substances that are different from the original substances
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To hide a column, click on the column name.
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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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