DIFFUSION

Diffusion occurs only in gases

• True

• False

The movement of particles is __________, resulting in the particles being spread throughout the container

• Structured

• In a straight line

• Random

• In curved, way motions

What does a 'region with high concentration' mean?

• SMALL number of particles

• LARGE number of particles

• UNEVEN number of particles

• no particles

Where is there a low concentration of dye?

• at the bottom of cup

• in the color

• at the top of cup

• no concenteraion gradient

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• all of the above 

Which diagram best shows the end result of diffusion?

• F
• G
• H
• J

Diffusion is quicker/faster in ..................................

• solids

• liquids

• gases

How do the particles move in diffusion?

• From a region of low concentration to a region of high concentration

• From a region of high concentration to a region of low concentration

• From a region of low concentration to a region of low concentration

• From a region of high concentration to a region of high concentration

All matter is made of _____ that are constanly moving.

• insulators
• particles
• convection
• pieces of plastic

What happens to particles when they are heated?

• They speed up and spread out
• They slow down and compress
• They stop moving
• They move closer together and speed up