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Best Evidence Science Teaching: Chemistry and Earth Science
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Materials are either made of a single chemical substance or a mixture of substances which each have distinctive properties.
...All matter is made up of atoms. The behaviour and structural arrangement of atoms explains the properties of different materials.
...During a chemical reaction, atoms are rearranged forming new substances.
...Substances can move within and between Earth’s atmosphere, hydrosphere, geosphere and biosphere as part of large-scale Earth systems.
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