Diffusion

Diffusion & Facilitated Diffusion are both __________ transport.

• Passive

• Active

• Easy

• Free

Passive Transport uses ____ energy

• no

• a lot of

• a little bit of

• some

How do the particles move in diffusion?

• From a region of low concentration to a region of high concentration

• From a region of high concentration to a region of low concentration

• From a region of low concentration to a region of low concentration

• From a region of high concentration to a region of high concentration

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

What is DIFFUSION?

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Tags

NGSS.MS-LS1-6

An increase in temperature does what to diffusion?

• Speeds it up

• Slows it down

• Has no effect

• I wish i knew. Really I do.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Why does the tea move out of the tea bag and into the water?

• The warm water forces it out of the tea bag

• There is equal concentration of water and tea

• There is a higher concentration of tea in the bag and less in the water

• There is a lower concentration of tea in the bag and more in the water

Tags

NGSS.MS-PS1-2

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

• High, Low

• Low, High

• Low, Low

• High, High

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

In the given scenario what will happen?  An egg is placed in pure water for 48 hours.

• The egg will gain water and swell.

• Water will move in and out of the cell equally, and the cell with neither shrink nor swell.

• The egg will lose water and shrink.

Tags

NGSS.MS-LS1-2