Diffusion or not?

Spraying perfume in your room?

• Yes

• No

• Somewhat

Water particles moving in and out potatoes?

• Yes

• No

• Maybe

Oxygen gas moving from your lung to your blood?

• No

• Yes

• Partially

Carbon dioxide gas moving out of your body cells to the blood?

• Yes

• No

Food molecules moving across the small intestine into the bloodstream

• Yes

• No

Diffusion is the natural movement of molecules from:

• Areas of low concentration to areas of high concentration

• Areas of high concentration to areas of low concentration

• Cold to hot environments

• Gaseous to liquid environments

Tags

NGSS.MS-PS1-4

Which of the following will diffuse the fastest?

• A tablespoon of sugar in a glass of water

• Heat through a solid piece of steel

• A pinch of salt in a glass of water

• The smell of bacon cooking throughout a room

What happens to the coffee particles when coffee is added to hot water?

• They sink to the bottom of the cup

• They spread out

• They clump together

• They freeze

Tags

NGSS.MS-PS1-4

What does a 'region with high concentration' mean?

• An area with a SMALL number of particles

• An area with a LARGE number of particles

• An area with an UNEVEN number of particles

• An area with no particles

Tags

NGSS.HS-PS1-5