2.4 Particle Model of Matter

All matter is made up of tiny p_________

Different substances are made of d______ particles

There are more particles in volume of solid than in the same volume of what? (check all that apply)

• liquid

• gas

The particles of matter are always m_______

Describe the movement of particles in the 3 different states of matter.

• spread out

• Gas

• slide around

• Liquid

• wiggle in place

• Solid

Another way to say that particles may be attracted to each other is to say they are b_____ together.

Particles have sp____ between them.

Label the states of matter

a

b

c

Solid

Plasma

Gas

Liquid

Match the particle movement with each state

• Particles can move and slide around

• Liquid

• Particles move and collide

• Gas

• Particles can vibrate but not move

• Solid

​ (a)   occurs when​ (b)   in one substance are more ​ (c)   to particles in another substance than to ​ (d)  

• dissolving
• particles
• attacted
• each other