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Diffusion/Osmosis
Diffusion/osmosis
8
Science
7th Grade
10/02/2017

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Cards

Term
What is the definition of diffusion?
Definition
The movement of molecules from an area of high concentration to an area of low concentration.
Term
The movement of WATER from an area of high water concentration to an area of low water concentration is called?
Definition
osmosis
Term
What is a semi-permeable membrane?
Definition
A membrane that allows some molecules to pass through but not others
Term
When the process of diffusion reaches an equilibrium state it is called?
Definition

isotonic.

Molecules continue to move but in equal parts.

Term

The smell of ammonia spread throughout a room would be an example of osmosis.

 

TRUE OF FALSE?

Definition

FALSE

This is an example of diffusion

Term

A cell in a hypertonic solution (Syrup) would do which?

 

 

a. loses water and shrinks

b. gains water and expands

c. gains and loses the same amount of water, staying the same 

d. none of the above.

Definition
a. loses water and shrinks
Term

What is occurring in the following picture?

[image]

Definition
DIFFUSION
Term

What is occurring in the following picture?

[image]

Definition
Osmosis
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