Share What is our world made of?
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Which are the three states we can find in our world?
solid, liquid, gas
True or false: A chair is a solid.
True
What is a characteristic of solids?
We can see and feel solids
What is a characteristic of liquids?
Liquids flow.
Liquids can be thick or ....
thin
True or false: Ice is a liquid
False
Give an example of a gas
e.g. air
What is a characteristic of gas?
We can't see it.
When do things change from one state to another?
When we make them hot or cold
What happens with water when it is cold?
It freezes / changes to ice
When does water change to ice?
When it is cold.
What happens to snow when it heats up?
It melts / changes into water
What does water turn into when you boil it?
Steam
True or false: Water can turn into a solid and into a gas.
True
How does water turn from liquid into gas?
By boiling
Which one can we NOT hold in our hands? Solid, liquid or gas?
Gas
