Recursos educativos think página 8

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Think. The effects of climate change
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Think about the impact of climate change and show how it could affect these places or living beings in the future: A coastal population. An area that suffers from periodic drought. Animal or plant…
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Think - Living things and their habitat
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Look at the photos and answer the questions. Can these animals survive without water? Explain your answer. How long do you think each animal can survive without water? How long do you think humans can…
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Think about it. The propagation of heat
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Remember what you have studied in this section and answer the questions: What does the heat absorbed during a change of state transform into? Why is heat absorption needed when a liquid changes to gas?…
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Think about it. Heat and temperature
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Remember what you have studied in this section and answer the questions: What two physical phenomena are used to calibrate a thermometer and why? Why do we also use the name centigrade for the Celsius…
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Think about it. Sexual reproduction in plants
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Remember what you have studied in this section and answer the questions: Why do more evolved plants have a smaller gametophyte? Discuss with a classmate. What is the advantage and disadvantage of having…
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Think about it. What plants need
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Remember what you have studied in this section and answer the questions: Why do plants sometimes need fertilisers to grow well? How does the way trees and animals get food differ? Which are autotrophs…
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Think about it. Light and colours
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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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Think about it. The nature of light
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Remember what you have studied in this section and answer the questions: Look at the diagram of electromagnetic waves. State what happens to the wavelength, frequency and energy as you go from left to…
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Think about it. Reproduction in mammals
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Remember what you have studied in this section and answer the questions: What are the advantages of a) a long gestation period, and b) being born in the spring or summer? Describe the new-born offspring…
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Think and answer. Science and technology
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Think and answer: Describe what you can see in the photos. Give examples of scientific progress in the 20th century. Do you use the Internet? What do you use it for? What is an e-mail? How do you send…
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