the concentration levels are different

Where is there a high concentration of water?

cannot be determined by picture.

What is the definition of Semi Permeability?

The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.

The movement of materials across the cell membrane that requires NO ENERGY from the cell.

The movement of materials through (or across) the cell membrane

The movement of molecules from an area of high concentration to a area of low concentration

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

Water will move into and out of the cell equally

More water will move into the cell

More water will move out of the cell

There will be no movement of water cells

In which case would a cell most likely shrink?

when placed in a solution containing a high salt concentration

when placed in a isotonic solution

when placed in a solution containing a low pH

when placed in a solution containing distilled water

A student noticed that placing wilted lettuce in a bowl of cool water caused the lettuce to become more crisp and firm. What is the best explanation for his observation?

Water moved into the lettuce cells by osmosis.

Water moved into the lettuce cells by active transport.

Salt moved into the lettuce cells by diffusion.

Water moved out of the lettuce cells by osmosis.

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.

What is the best definition of Osmosis?

diffusion of water molecules through a semi-permeable membrane from an area of high concentration of water to an area of low concentration of water

diffusion of water molecules through a semi-permeable mebrane from an area of low concentration of water to an area of high concentration of water

the diffusion of sugar from an area of high concentration of sugar to an area of low concentration of sugar

the diffusion of particles from an area of low concentration to an area of high concentration

Which way will the water molecules move during osmosis?

Out of the cell, so the cell shrinks.

Out of the cell, so the cell swells.

Into the cell, so the cell shrinks.

Into the cell, so the cell swells.

In this picture, which way will the water move? (NaCl is salt)

Water will move out of the cell

Water will move in and out of the cell

Osmosis and Diffusion

Authored by Mary McClure

Science

7th Grade

NGSS covered

Used 289+ times

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30 questions

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The picture below is an example of _________________.

osmosis

isotonic

diffusion

active transport

Tags

NGSS.MS-PS1-2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Osmosis is the movement of _____ across a membrane.

food

energy

oxygen

water

Tags

NGSS.MS-ESS2-4

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

During osmosis

water moves from high to low concentration of water

large or oddly shaped molecules move across a cell membrane

water moves when energy is used

water moves from low to high concentration of water

Tags

NGSS.MS-LS1-2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

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Osmosis and Diffusion

What is diffusion?

Where is there a low concentration of dye?

The picture below is an example of _________________.

Osmosis is the movement of _____ across a membrane.

During osmosis

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

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

A person should never drink salty water because their cells would

An animal cell placed in a hypertonic solution will

What is DIFFUSION?

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