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Discovering Gases
These are millions of different things in the world, but there are just three different forms of matter. These are solids, liquids and gases. Everything in the world belongs to one of these three main forms.rnYou can probably think of hundreds of different solids and liquids. Solids like sotne and wood are hard and stay the same shape. Liquids like water and petrol can flow from place to place. But gases are different.
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