States of Matter Webquest-1 - Science Spot

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! ______________ hold huge amounts of energy, and their molecules are spread out
as much as possible.

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- Elements and compounds can move from one phase to another
phase when special ______________________ are present.

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@ When you reach the temperature of the ___________________ point, you become a
liquid.

A Melting a sugar cube is a _____________________ change because the substance
is still sugar.

B Fill in the boxes below to represent each of the phases below:

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D Scientists use something called a _____________________ to measure when that
liquid turns into a solid.

E ________________ are a lot like gases, but the atoms are different because they are
made up of free electrons and ions of the element.

!" The atoms inside of a _______________ are not allowed to move around too much.

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Some Characteristics of Gases, Liquids and Solids and the Microscopic Explanation for the
Behavior

gas liquid

assumes the shape and volume retains a fixed volume and shape
of its container rigid - particles locked into place

particles can move past one particles can move/slide past
another one another

compressible not easily compressible not easily compressible
little free space between little free space between

particles particles

flows easily flows easily rigid - particles cannot
particles can move past one particles can move/slide past move/slide past one another

another one another

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