1. Particles either vibrate or randomly move in all direction.

A. Matter is made up of tiny particles.
B. Particles of matter are in constant motion.
C. There are spaces between particles of matter.
D. Particles of matter attract each other.

2. Particles of matter exist as discrete entities.

A. Matter is made up of tiny particles.
B. Particles of matter are in constant motion.
C. There are spaces between particles of matter.
D. Particles of matter attract each other