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Remember - Obtaining and using energy
EduBook Organización
- 2342 visitas
Energy drives the Universe and is part of all the changes which take place on Earth. The Sun is our main source of energy. Without it, there would be no life and most other sources of energy would not…
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What is sound?
Maria Pallarés Docente
- 1 lo usan
- 2782 visitas
What is sound? Sound is a form of energy, just like electricity and light. Sound is made when air molecules vibrate and move in a pattern called waves, or sound waves. Think of when you clap your hands,…
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Investigate - Obtaining and using energy
EduBook Organización
- 2161 visitas
Energy drives the Universe and is part of all the changes which take place on Earth. The Sun is our main source of energy. Without it, there would be no life and most other sources of energy would not…
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Check what you know about the recent past
EduBook Organización
- 2091 visitas
Check what you know about the recent past: What did people use to light their houses before electricity? What means of transport did Eloy use in the city? Describe two differences between David's…
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Renewable energy in Spain
EduBook Organización
- 1983 visitas
The main renewable energy sources used to produce electricity in Spain are wind, water and the Sun. If we develop these energy sources, we can reduce our dependence on imported energy. Most regions want…
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Science and technology in today's world
EduBook Organización
- 1973 visitas
Important advances During the 20th century and the beginning of the 21st century, people made great advances in many areas of science and technology. These advances have improved the quality of life for…
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Non-renewable energy sources
EduBook Organización
- 1963 visitas
Non-renewable energy sources Coal Coal is a sedimentary rock because it is made up of the remains of plants and animals that died millions of years ago. We can extract coal by digging mines. When we…
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Complete. Energy
EduBook Organización
- 1891 visitas
Complete the sentences with the correct words: fuels deformations sources hot volume renewable Sun Heat thermal equilibrium up movements coal power On Earth, most of the energy on earth comes from the .…
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True/False. Work it out
EduBook Organización
- 1879 visitas
Copy only the true statements from the following list into your notebook and say why they are true: Coal and oil, as well as causing pollution, are running out and cannot be renewed. The water used in…
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