States of Matter: Solid, Liquid, Gas

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6 Questions

What are the three common states of matter?

Solid, liquid, gas

Describe the characteristics of solids.

Definite shape, definite volume, limited particle movement, dense

How do particles move in liquids compared to solids?

More freely in liquids, less freely in solids

Why does the density of a liquid increase when it turns into a solid?

Molecules come closer together in a solid form

What happens to water's density when it freezes?

Water becomes less dense when it freezes

Which state of matter is the least dense and cohesive?


Study Notes

Solid State

  • Has a definite shape, regardless of the container's shape and size
  • Takes up a definite amount of space
  • Particle movement is very limited, only vibrating in place
  • Shape and size only change when heated or crushed
  • Densest state of matter, except for water

Liquid State

  • Takes the shape of the container it's in
  • Molecules are far apart, moving more freely than in solids
  • Molecules have slightly higher energy than in solids, less than in gases
  • Density increases when it turns into a solid
  • Water is an exception, becoming less dense when it freezes

Gas State

  • Occupies any space it's placed in, with no specific shape
  • Molecules are in constant motion, spreading in every direction
  • Least cohesive and dense of the three states of matter

Explore the distinctive characteristics and behaviors of solids, liquids, and gases. Learn about the limited movement of particles in solid state, the definite shape and volume of liquids, and the ability of gases to change shape and volume depending on their container.

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