Water is an example of matter
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Transcript of Water is an example of matter
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Water is an example of matter
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Water is made from hydrogen and oxygen.
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It has three characteristics:
• Water does not smell. It is odorless
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Water does not have colour. It is colourless
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Water has no taste. It is tasteless.
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Changes of state in water.
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Water melts.
• Solid to water.
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Liquid to solid.
• Water freezes
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Liquid to vapour
• Water evaporates.
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Vapour to liquid
• Water condensates.
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A pure substance consists of only one component.
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A mixture happens when we put two or more substances together.
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There are two types of mixtures
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Heterogeneous mixture
• We put two or more substances together but we can see them separately.
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Homogeneous mixtures
• We can´t see each of them separately.
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Waste
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Waste is all the rubbish we throw away.
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Organic waste.
• It is biodegradable. It comes from plants and animals.
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Recycable waste.
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Non- recyclable waste.
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