Key words relating to the particle model
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atom |
A reaction in which an atom or molecule replaces another in a compound.
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particle |
A particle is a tiny fragment such as a speck of dust.
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element |
Carbon is the fourth most abundant element in the universe.
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compound |
Composed of two or more separate elements joined together.
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mixture |
The cake mixture looked delicious.
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solid |
A house needs a solid foundation.
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liquid |
Drink a lot of liquid when it is hot.
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gas |
There is a tax on gas.
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melting |
We changed our chocolate to a liquid by melting it.
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boiling |
Keep the water boiling to keep the pancakes warm.
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evaporation |
We boiled water and saw evaporation happen.
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freezing |
It's freezing outside tonight.
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condensing |
Condensing means to make the volume smaller.
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heating |
We were heating water over a bunsen burner.
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cooling |
As Liquid is cooling it looses heat.
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forces |
The two companies combined forces.
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vibrating |
An instance of vibrating.
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moving |
It was difficult to focus on the moving car.
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density |
Population density is the number of people per square kilometre.
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temperature |
The temperature in the desert was over 40 degrees.
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* This sentence was added by a Spellzone user.
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