5. Solids, liquids and gases Flashcards
1
Q
Describe the arrangement of particles in a solid.
A
Particles are close together and packed in a regular pattern. The particles vibrate around a fixed position and the solid has a fixed shape.
2
Q
Why does a liquid take on the shape of the container?
A
Particles are not in a fixed position and can move freely past one another.
3
Q
Why do gases fill up the container they are in?
A
The particles are far apart and move freely in all directions. The particles are not held together strongly at all.