Osmosis & Diffusion Test

Diffusion is the movement of particles from a high concentration to a low concentration.

• True

• False

The image shows an example of diffusion.

• True

• False

Particles will move down a concentration gradient, from a high concentration to a low concentration.

• True

• False

Where is there a high concentration of blue particles above?

• On the right

• On the left

Osmosis refers to the diffusion of water molecules only.

• True

• False

Which solution has a higher concentration of water molecules?

• Solution two

• Solution one

Which solution has a lower concentration of water molecules?

• Solution two

• Solution one

Which solution has a higher concentration of sugar molecules?

• Solution two

• Solution one

Which solution has a lower concentration of sugar molecules?

• Solution two

• Solution one

The direction in which the water molecules diffuse in the diagram is

• from right to left.

• from left to right.