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Changes in matter
EduBook Organización
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6.1. Changes in matter Matter is not immutable, as both the form it adopts and its composition can change. Physical changes A physical change takes place when the nature of matter is unchanged, this is…
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Before you start - The Earth, a Living Planet
EduBook Organización
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Didactic objetives Recognise the conditions that had to exist on Earth to allow for the existence of living beings. To know and be able to identify the elements involved in the emergence of life on our…
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Pure substances: elements and compounds
EduBook Organización
- 3614 visitas
3.1. Pure substances and mixtures Pure substances are substances which have a fixed composition and properties which allow us to identify them. Mixtures are made up of two or more pure substances. 3.2.…
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Unit 8: Matter and its properties
EduBook Organización
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Binary compound (n): a chemical compound which is made up of two elements. bind (v, past and past participle bound): to stick together or cause to stick together, for example through chemical bonding.…
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Painting: The Hay Wain, 1821
Tiching explorer Organización
- 1 lo usan
- 6839 visitas
This landscape by John Constable was inspired by the Suffolk countryside. Students may look at it for a minute and then describe as much as possible: colours, sky, composition, season, costumes,…
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Light and colours
EduBook Organización
- 3007 visitas
5.1. The composition of white light White light is actually made up of many colours. We can see this if we pass white light through an optical prism (figure 1). 5.2. The colours of objects When white…
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The components of air
EduBook Organización
- 1 lo usan
- 1737 visitas
2.1. Air: a mixture of gases Air is made up of a mixture of gases. The main gases are nitrogen and oxygen. Other gases such as water vapour, carbon dioxide and ozone are present in smaller quantities.…
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Minerals (I)
EduBook Organización
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2.1. What is a mineral? Minerals are solid and inorganic substances which have a particular chemical composition. They are formed naturally. Minerals are characterised by their perfectly ordered…
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Painting: Diana and Actaeon, 1556-9
Tiching explorer Organización
- 5465 visitas
This interactive guide investigates every aspect of this painting by Titian. It represents a myth taken from Ovid's "Metamorphoses", in which a hunter discovers accidentally where Diana was…
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