Diffusion

Question 1

What do dissolved substances do by diffusion?

Answer 1

They pass into and out of cells.

Question 2

What is diffusion one of the only processes to do what?

Answer 2

It is one of the only processes that allow dissolved substances to pass through the cell membrane to get into or out of a cell.

Question 3

When does diffusion occur?

Answer 3

Diffusion occurs when particles spread.

Question 4

What do the particles do in diffusion?

Answer 4

They move in a region where they are high concentration to a region where they are in low concentration.

Question 5

When does diffusion happen?

Answer 5

It happens when the particles are free to move.