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True / False. What is sound?
EduBook Organización
- 1467 visitas
Are these sentences true or false? Sound is produced by vibrating objects. We perceive sound because we use our sense of hearing. Sound cannot travel through water or solids. If there is no material…
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Characters - Understanding the text
EduBook Organización
- 1558 visitas
Look at the characters in the pictures in the book. Describe each one using the words in the box below to help you. thin loves trees and flowers blue eyes tall gray eyes orphan tall gray hair kind black…
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Comprehension Check (II)
EduBook Organización
- 1557 visitas
Correct the false ones. Red and white are the colors of the Canadian flag. There is a big white maple leaf on the Canadian flag. About 128 maple trees grow in Canada. A maple tree can be 45 meters tall.…
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Comprehension check (II)
EduBook Organización
- 1540 visitas
Answer the following questions. Who were Charlotte Brontë’s parents? How did the Brontë children play together? What did Charlotte use as a model for Lowood School? What experience did Charlotte…
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Find out more
EduBook Organización
- 1448 visitas
Some forces work at a distance from an object. For example, a magnet attracts a metal key that is not touching it. However, to make deformations in a block of clay, the potter's hands need to be in…
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The water cycle
EduBook Organización
- 1440 visitas
3.1. Always the same water Water follows a closed cycle. It is constantly changing its state and location, but the amount of water on Earth does not change. This limited but stable amount of water gets…
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Popular travel books - The War of the Eggs
EduBook Organización
- 1527 visitas
The countries which Gulliver visits are not real ones, but Jonathan Swift describes the appearance of the people, their kind of government, and their habits and manners in realistic detail. Scholars…
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Unit 11: Heat and temperature
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- 1416 visitas
Air-tight (adj): completely closed so that air cannot get in or out. alcohol (n): a colourless inflammable liquid used as a solvent and in thermometers. anomalous (adj): different from what is expected.…
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Self-assessment T12 08 - Light and sound
EduBook Organización
- 1383 visitas
Complete these sentences with the correct words: Sound is produced when objects . We perceive sound because we use our sense of . If there is no material nearby, sound does not travel. An happens when…
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Final self-evaluation 1.7 - Matter and Materials
EduBook Organización
- 1383 visitas
Complete the following sentences with the missing words: Pure are made up of a single type of element, like iron, or compound, like , the of which do not vary. Substances made up of different elements…