Diffusion

Question 1

What is diffusion?

Answer 1

Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration.

Question 2

True or False: Diffusion requires energy input.

Answer 2

False

Question 3

Fill in the blank: Diffusion occurs in ________ and ________.

Answer 3

liquids, gases

Question 4

Which of the following factors affects the rate of diffusion? A) Temperature B) Concentration Gradient C) Size of Particles D) All of the above

Answer 4

D) All of the above

Question 5

What is the concentration gradient?

Answer 5

The concentration gradient is the difference in concentration of a substance between two areas.

Question 6

Short answer: Why does diffusion happen?

Answer 6

Diffusion happens because particles are in constant motion and tend to spread out evenly in a space.

Question 7

True or False: Diffusion can occur in solids.

Answer 7

False

Question 8

What is an example of diffusion in everyday life?

Answer 8

An example of diffusion is the smell of perfume spreading in a room.

Question 9

Fill in the blank: The process of diffusion continues until ________ is reached.

Answer 9

equilibrium

Question 10

What happens to the rate of diffusion as temperature increases?

Answer 10

The rate of diffusion increases as temperature increases.