diffusion

When particles move from areas of high concentration to areas less concentrated, this has taken place.

• diffusion
• mitosis
• endocytosis
• photosynthesis

Which diagram best shows the end result of diffusion?

• F
• G
• H
• J

Tags

NGSS.MS-PS1-4

Diffusion is the movement of molecules from an area of _____ concentration to an ______ concentration

• High, low
• Low, high
• Low, low,
• High, high

Diffusion stops when the concentration is evenly spread out - true or false?

• 100% definitely true.
• Could be false though.

If there is more oxygen in the blood than in an organ, which direction would the oxygen move?

• Out of the blood
• Into the blood

A higher concentration gradient, slows down diffusion. True or false?

• True
• False

The picture below is an example of _________________.

• osmosis

• isotonic

• diffusion

• active transport

Where is there a low concentration of perfume?

• in the bottle
• on the hand
• in the room
• in the top

Where is there a high concentration of bbq smoke?

• In the bbq pit
• In the house
• Two streets over
• In the atmosphere

Challenge: The best reason for diffusion not happening in solids is...

• the particles in solids are not moving.

• the particles in solids move too fast.

• the particles in solids have no kinetic energy.

• the particles in solids don't move in relation to each other.