3.1 Water

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How does water
exist in nature?

phet.colorado.edu

In what stage is the water?

1. solid
2. liquid
3. gas

In what state is the water?

1. solid
2. liquid
3. gas

In what phase is the water?

1. solid
2. liquid
3. gas

In what state is water when it is watervapour?

1. solid
2. liquid
3. gas

Cohesion and adhesion

Cohesion 

Molecules of the same substance attract each other

- round shaped area 

- e.g. the attraction between water molecules forming a droplet

Adhesion

Attractive forces between molecules of different substances.

The result is a hollow area 

Homework

Do 1 till 7

Read and summarize 3.2