Osmosis and Diffusion

What is diffusion?

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

Tags

NGSS.MS-PS1-4

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

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

Tags

NGSS.MS-ESS2-4

During osmosis

• water moves from high to low concentration
• large or oddly shaped molecules move across a cell membrane
• water moves when energy is used
• proteins are built

Tags

NGSS.MS-LS1-2

Permeable means

• things can pass through
• the concentration levels are different
• it is permanent
• things are stuck

A person should never drink salty water because their cells would

• shrink
• expand

Tags

NGSS.HS-LS1-3

A person would never have pure water put into their veins in a hospital because their cells would...

• Shrink/Dehydrate
• Expand

Tags

NGSS.HS-LS1-3

When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of

• Osmosis
• Diffusion
• Equilibrium

Tags

NGSS.HS-LS1-3

Ideally, your cells should be in a(n) _______ solution

• Hypertonic
• Hypotonic
• Isotonic
• Cola

Tags

NGSS.HS-LS1-3

Mr. Slug was salted. Where was there more solute immediately after salting?

• Outside of the slug
• Inside of the slug
• There was no solute anywhere

Tags

NGSS.MS-PS1-2