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Pure substances and mixtures
EduBook Organización
- 3977 visitas
4.1. Pure substances and mixtures Pure substances are substances made up of a single type of element or compound. Two examples of pure substances are iron and salt. A mixture is made up of different…
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Check. Test yourself
EduBook Organización
- 3951 visitas
Remember what you have studied in this unit and answer the questions: Are average velocity and instantaneous velocity the same? When? Why? What effects do forces produce? Give several examples of these…
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Check. Sound
EduBook Organización
- 3929 visitas
Remember what you have studied in this section and answer the questions: With a classmate, name the qualities that characterise a sound, and define them. What qualities are different and the same…
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Renewable energy sources
EduBook Organización
- 3895 visitas
Energy sources that will not run out are called renewable energy sources. Some examples are the Sun, water and wind. The energy that we obtain from renewable sources is called clean energy because it…
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Final self-evaluation 02 - The Earth's climate zones
EduBook Organización
- 3893 visitas
Are the following statements true or false?: There are no hot climate zones between the Tropic of Cancer and the Arctic Circle. Continental landscapes can be found in Europe's inland areas. Scrub…
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Climate change - Society and the environment
EduBook Organización
- 3856 visitas
What is climate change? Climate change is the combination of changes in the Earth’s climate because of an increase in the planet's temperature. Examples of these changes are rising sea levels or…
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Phrasal verbs
EduBook Organización
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Phrasal verbs ‘Scrooge locked the door and put on his dressing-gown and slippers’. In this sentence put on is a phrasal verb which means ‘dressed himself’. In English, many verbs can be followed…
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Class collection of book reviews
Tiching explorer Organización
- 2 lo usan
- 5232 visitas
The aim of this lesson plan is to create a collection of book reviews of the favourite novels that students have read throughout the school year. Students write reviews in Google Docs following a model,…
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Think about it. Forms of energy
EduBook Organización
- 3490 visitas
Remember what you have studied in this section and answer the questions: Complete the sentences to explain how energy is converted: The electrical energy in a radiator is converted into... The…