Diffusion/Osmosis YEAR 9 (1)

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

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

Partially permeable means:

• things can pass through

• the concentration levels are different

• it is permanent

• some thing pass others not

The diffusion of water through a semi-permeable membrane is called?

• Osmosis
• Cell wall
• Diffusion
• Respiration

Tags

NGSS.MS-LS1-3

Where is there a high concentration of water?

• in the flower
• cannot be determined by picture.
• in the vase
• in the leaves

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NGSS.MS-LS1-6

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

• Osmosis

• Diffusion

• Equilibrium

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

• Shrink/Dehydrate

• explode

If there is 5 percent water inside a cell and 5 percent water outside a cell

• more water will move inside the cell
• more water will move outside the cell
• There will be no movement of water cells

Tags

NGSS.HS-LS1-3

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