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Science Vocabulary A and M

Published on Nov 19, 2015

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PRESENTATION OUTLINE

1.

Element
a substance that cannot be broken down into other substances by heat light electricity

Photo by Massimo Valiani
2.

Periodic Table
a chart that classifies elements by their properties

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3.

Atom
the smallest particle of an element that has the properties of the element

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4.

Nucleus
the center of an atom, where protons and neutrons are located

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5.

Proton
particle in an atom that has positive electrical charge

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6.

Neutron
particle in an atom that has no charge

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7.

Electron
particle in an atom that has a negative electrical charge

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8.

Molecule
two or more atoms joined together; the smallest unit of any substances

Photo by Leo Reynolds
9.

Compound
a substance made up of atoms of more than one element joined together in a molecule

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10.

Mixture
two or more substances that are mixed together, but can be separated out because their atoms are not combined

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11.

Solution
a mixture in which substances break up into their most basic particle, which are to small to be seen, and spread evenly through another substance

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12.

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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13.

Physical Change
a change in one or more physical properties

Photo by Kyle May
14.

Chemical Property
describes the way a substance reacts with other substances

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15.

Chemical Change
a change that produces new substances with new properties

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16.

Chemical Reaction
a process that produces one or more substances that are different from the original substances

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