Recursos educativos think página 8

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Think about it. Light, shadow and penumbra
EduBook Organización
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Remember what you have studied in this section and answer the questions: With a classmate, explain the difference between shadow and penumbra. What is the difference between an eclipse of the Sun and…
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Think - Living things and their habitat
EduBook Organización
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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
EduBook Organización
2457 visitas
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. Sexual reproduction in plants
EduBook Organización
2450 visitas
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. Heat and temperature
EduBook Organización
2383 visitas
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. The nature of light
EduBook Organización
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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. What plants need
EduBook Organización
2301 visitas
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. Reproduction in mammals
EduBook Organización
2270 visitas
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
EduBook Organización
2188 visitas
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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Think about it. Light and colours
EduBook Organización
2102 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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