Osmosis and Diffusion

Presentation

•

Science

•

7th Grade

•

Medium

•

NGSS

MS-LS1-2, MS-PS1-5, MS-LS2-1

Standards-aligned

Rachael Lasky

Used 310+ times

FREE Resource

8 Slides • 16 Questions

Osmosis and Diffusion

Multiple Choice

What organelle is considered to be the “gatekeeper” for plant and animal cells?

Cell Wall

Cytoplasm

Nucleous

Cell Membrane

Multiple Choice

This organelle controls what goes in and out of plant and animal cells.

Cell Wall

Cell Membrane

Chloroplasts

Cytoplasm

Multiple Choice

Permeable means

things can pass through

the concentration levels are different

it is permanent

things are stuck

Multiple Choice

What is the definition of Selective Permeability?

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

The movement of molecules from an area of high concentration (where the molecules are more crowded together) to a area of low concentration (where molecules are more spread apart)

Multiple Choice

Equilibrium?

a large amount of substance on side of the cell and a small amount on the other side

a small amount of substance on side of the cell and a large amount on the otherside

equal amount of substance on either side of the membrane

no particles on either side of the a cell membrane

Multiple Choice

_______ regulates what enters and leaves a cell.

Cell Membrane

Nucleus

Mitochondria

Cytoplasm

Multiple Choice

Where is there a low concentration of perfume?

in the bottle

on the hand

in the room

in the top

Multiple Choice

Where is there a low concentration of dye?

at the bottom of cup

in the color

at the top of cup

no concenteraion gradient

Multiple Choice

The picture below is an example of _________________.

osmosis

isotonic

diffusion

active transport

Multiple Choice

What is diffusion?

when molecules move

when molecules move from a high concentration to a low.

no movement

molecules move everywhere

Multiple Choice

What is the definition of Osmosis?

the movement of WATER molecules across the cell membrane.

the state where molecules are equally concentrated (balanced) on both sides of the cell membrane.

the process that brings LARGE particles INTO the cell through the cell membrane

he movement of molecules across the cell membrane that REQUIRES ENERGY output from the cell

Multiple Choice

Where is there a high concentration of bbq smoke?

In the bbq pit

In the house

Two streets over

In the atmosphere

Multiple Choice

Where is there a high concentration of water?

in the flower

cannot be determined by picture.

in the vase

in the leaves

Multiple Choice

What is DIFFUSION?

Multiple Choice

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

Multiple Choice

Osmosis is the movement of _____ across a membrane.

food

energy

oxygen

water

Osmosis and Diffusion

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