Page 164 - Science Course 1 (Book 1)
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Mo5-L2a: How Do Particles Move in the Different States of Matter?
SUMMARY
SOLID LIQUID GAS How Do Particles Move in the Different States of
Matter?
In some matter, particles can only vibrate in
Strong force of Relatively weak No attractive place.
attraction forces forces
The particles are close together, and there are
strong forces among them.
Particles vibrate Particles and Particles in
around fixed group of parti- constant random
position cles slip over motion
one another
As the motion of the particles slows, the particles
move closer. The attactive forces become stronger. In other matter, the particles are far enough
As the motion of the particles increases, the particles apart that particles can flow past other
particles.
move farther apart. The attactive forces become
weaker. The forces among these particles are weaker
than those shown above.
Key Concept
How Do Particles Move in the
Different States of Matter?
How do particles move in solids, liquids, and
gases?
In another group of matter, the particles are far
apart and there is little or no attraction among
the particles.
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