Phases of Matter

The states/phases of matter describe a ____ property.

• physical

• chemical

(True/False) The Kinetic Theory of Matter states that atoms and molecule are always in motion.

• True

• False

_______ means energy of motion.

• Kinetic

• Potential

Another name for state is ____.

• phase

• time

• mass

• temperature

(True/False) How tightly particles are packed determines what state its in.

• True

• False

When heat/thermal energy is added to particles, they move ___.

• faster

• slower

• at the same speed

When heat/thermal energy is taken away from matter, the particles move ____.

• slower

• faster

• at the same speed

Solids have a _____ shape.

• definite

• indefinite (take the shape of the container

Solids have a ____ volume.

• definite

• indefinite

How do particles in a solid move?

• very fast

• slide past each other

• vibrate in place