Diffusion

The picture below is an example of _________________.

• osmosis

• isotonic

• diffusion

• active transport

What is diffusion?

• when molecules move 
• when molecules move from a high concentration to a low concentration.
• no movement 
• molecules move everywhere

Where is there a low concentration of dye?

• at the bottom of cup
• in the color
• at the top of cup 
• no concenteraion gradient

Tags

NGSS.MS-PS1-2

Where is there a low concentration of perfume?

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

What is DIFFUSION?

• 
• 
• 
• 

The picture  is an example of _________________.

• isotonic
• diffusion
• osmosis
• active transport

Diffusion occurs only in solids

• True

• False

Diffusion is the free movement of particles from an area of __________ concentration to an area of ________ concentration.

• High to high

• High to low

• Low to low

• Low to high

Tags

NGSS.MS-PS1-4

An increase in temperature does what to diffusion?

• Speeds it up

• Slows it down

• Stops it

• No effect

Tags

NGSS.MS-PS1-4

When does diffusion stop?

• After a day and a night

• When the particles are evenly spread out

• When there are no particles left

• When all the particles leave the system