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• Explaining States of Matter

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Which of the following best describes solid matter?

• It has a defined, fixed shape and volume. Its particles vibrate in place.

• It has a fixed volume, but does not have a defined shape. Its particles slide past each other.

• It does not have a fixed shape or volume. Its particles are spread out from each other.

• It has a fixed shape and no volume. Its particles bounce off each other.

___________ particles move freely, and quickly fill up a room

​ ​ ​ Match the description with the correct state of matter

• Particles have the most energy and space

• Solid
• Particles are close together but can move past each other

• Gas
• Particles are far apart and move freely

• Liquid

Organize these options into the right categories

Groups:

(a) Solids

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(b) Liquids

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(c) Gas

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Kinetic energy is the energy of _________.