Osmosis & Diffusion

What is diffusion?

• Molecules moving from high to low concentration

• Molecules moving from low to high concentration

Tags

NGSS.MS-PS1-4

Diffusion...

• does require energy

• does not require energy

Another name for diffusion is ....

• passive transport

• active transport

Tags

NGSS.MS-LS2-3

What is osmosis?

• Movement of salt molecules

• Movement of oxygen molecules

• Movement of glucose molecules

• Movement of water molecules

Tags

NGSS.MS-LS2-1

Select the area that represents the highest concentration of objects.

The solute in a solution...

• is the material being dissolved

• is the material doing the dissolving

• is always salt

• will always be visible

Which diagram (A/B/C) shows a plant cell that is neither expanding or shrinking?

• A

• B

• C

Tags

NGSS.MS-LS1-2

Identify the Concentration Gradient

a

b

Low Concentration

High Concentration

Tags

NGSS.MS-LS1-2

What would cause the red blood cell to appear like the cell furthest left?

• The red blood cell had been placed in an environment high in salt.

• The red blood cell had been placed in an environment high in water.

Tags

NGSS.MS-LS1-5

What would cause the red blood cell to appear like the cell furthest right?

• The red blood cell had been placed in an environment high in salt.

• The red blood cell had been placed in an environment high in water.

Tags

NGSS.MS-LS1-5