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MATTER AND MATERIALS (Matter (States of matter (Solid: same shape and…
MATTER AND MATERIALS
Matter
Properties
Volume: space taken up by objects. Measured in litres (L). 
Mass: amount of matter in an object. Measured in kilograms (Kg).
Types
Pure substance: one compound.
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Changes of matter
Chemical change: new matter is formed.
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Materials
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Origin
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Artificial materials: created by transforming natural materials into different things.
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The environment. Natural resources are used to create materials. This means that the environment degenerates: Animals and plants die, and lose their habitat.
We must take care of the environment by following the 3R's.