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Complete these sentences
EduBook Organización
- 2361 visitas
Complete these sentences: Wood, coal and oil are sources of heat. Light cannot pass through objects. We use to measure temperature. When we heat an object, it . Water is the only substance which expands…
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Renewable and non-renewable energy sources
Tiching explorer Organización
- 1 lo usan
- 3707 visitas
In this activity we have to drag and drop the energy into the right column of the table. We have to distinguish solar energy, oil, geothermal energy, wood, nuclear power, wind, waves, coal, gas, etc...…
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Put a cross (X) next to the activities that David could not do when he w...
EduBook Organización
- 2079 visitas
Put a cross (X) next to the activities that David could not do when he was your age: Keep warm with a coal-burning heater. Play football. Go to school. Travel by tram. Use a mobile phone. Surf the…
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Steam engine
EduBook Organización
- 1 lo usan
- 1861 visitas
The heart of a factory was the steam engine room. In it, a large boiler, fed by coal, transformed water into steam. The steam passed into a cylinder and moved a piston, which lifted and pushed a pump…
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Complete - Remember
EduBook Organización
- 1924 visitas
Complete: Energy is what makes objects move, or change temperature or . Sources of energy can be like the Sun or the wind, or , like coal and oil. Electricity travels to our houses, offices and…
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Unit 14: Nature and society: harmony, crisis and impact
EduBook Organización
- 1808 visitas
Acid rain (n): rain that contains harmful chemicals as a result of burning fossil fuels such as coal and oil. aquifer (n): a layer of rock or earth under the ground that contains water. biodiversity…
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Initial evaluation 03 - Energy
EduBook Organización
- 1729 visitas
Decide if the following statements are true or false. Write T or F in each box: Coal and oil are renewable energy sources. ➝ Non-renewable energy sources do not cause pollution. ➝ We get both light…
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Think about it. Light and colours
EduBook Organización
- 1649 visitas
Remember what you have studied in this section and answer the questions: Why is snow white, coal black and grass green? → ...is... because it reflects... and absorbs... If light from the Sun can be…
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True/false. Chemical reactions
EduBook Organización
- 1255 visitas
Decide if the following statements are true or false: Chemical reactions are processes that turn certain substances into other liquids. ➝ Coal is an example of a combustible substance. ➝ Oxidation…
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True/false. Energy sources
EduBook Organización
- 1166 visitas
Decide if the following statements are true or false: The Sun and coal are energy sources that will never run out. ➝ Forces produce movements and deformations in objects. ➝ It doesn't matter if…
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