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Diffusion Vocabulary
Vocabulary related to Diffusion Lab
9
Science
7th Grade
10/17/2015

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Term
Diffusion
Definition

Diffusion is the movement of particles from areas of high concentration to low concentration.

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Term
Osmosis
Definition

Osmosis is a special type of diffusion where only water molecules are moving from areas of high to low concentration.

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Term
Selective
Definition
To carefully choose the best, or what is more suitable from a group or available options.
Term
Concentration
Definition
Concentration is a large amount of something in one place.
Term
Prediction
Definition
Prediction is the act of making a statement about what may happen in the future.
Term
Permeable
Definition

A material or a membrane that allows liquids or gases to pass through it.

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Term
Semi-Permeable
Definition
An adjective describing material allowing certain substances to pass through, but not others.
Term
Observation
Definition

An observation is the act of recognizing or noting something by sight.

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Term
Indicator
Definition
A chemical that is used to visually show the presence of another substance.
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