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Non-renewable sources of energy
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4.1. Coal Coal is a solid, black rock. It is the fossilised remains of huge masses of vegetation buried under the ground millions of years ago (figure 1). It is used mainly as fuel in coal-fired power…
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Calculate. Volume
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How many metres squared are 250 dm3 and 56 cm3? m3 The volume of a tube of toothpaste is 75 mL. What is the equivalent measurement in cm3? cm3 Calculate the volume of a water tank whose measurements are…
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Match. Main fishing grounds
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Identify the world's main fishing grounds: Places like the North Sea, where the water is not deep. Places with coldwater and warmwater fish, such as the coast of Newfoundland. Places with abundant…
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Reptiles dominated the Earth
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200 million years ago, reptiles dominated all of the Earth's land, air and water. Dinosaurs took many forms. They were the biggest land animals that have ever existed. The diplodocus, for example,…
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Calculate - End-of-unit activities
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A person travels from Spain to the United States, where the temperature is measured in degrees Fahrenheit instead of degrees Celsius. How would you make the conversion between one system and another? To…
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Find out about...
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How industrial activity evolved Craftsmanship In the Middle Ages, the master craftsman owned his workshop and tools. The production process was slow and labour intensive. These artisans belonged to a…
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Initial evaluation 4 - The Plant Kingdom
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Complete the following sentences with the missing words: During photosynthesis, plants produce a gas called . The is the part of the plant that absorbs water and minerals from the ground. The…
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Machthe pictures to the sentences
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Machthe pictures to the sentences: He is using the force of the wind. → The atmosphere is a layer of air that surrounds the Earth. → They produce oxygen. → It can fly because when air…
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Understanding the text (I) (KET)
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Choose the correct answer The Winged Monkeys take Dorothy, Toto and the Lion The Wicked Witch is afraid of Dorothy is sad because The Wicked Witch wants Dorothy’s silver shoes because The Wicked Witch…
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Did you know...
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After World War II, the governments of many countries nationalised certain services, including transport, water, electricity and healthcare. These services were created and managed with money from taxes…
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