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Check. Energy transfer
EduBook Organización
- 2590 visitas
Remember what you have studied in this section and answer the questions: What is heat? When a body absorbs thermal energy, what does it use it for? What is a heat source? With a classmate, give examples…
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Think about it. The transport of substances in plants
EduBook Organización
- 2582 visitas
Remember what you have studied in this section and answer the questions: How does transpiration and the force of cohesion contribute to the movement of raw sap? You see sap dripping from a leaf. It is…
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Think about it. Transport between cells
EduBook Organización
- 2578 visitas
Remember what you have studied in this section and answer the questions: Explain to a classmate how the heart works: Where does the circulatory system transport oxygen and carbon dioxide to? Why? Make a…
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Check. Fertilisation
EduBook Organización
- 2572 visitas
Look at the pictures and answer the questions: What animal is this? What type of fertilisation is characteristic in this animal? How does the embryo develop? In reproduction on land, what are the…
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Check. Economic development and the welfare state
EduBook Organización
- 2569 visitas
Remember what you have studied in this section and answer the questions: What problems affected the Spanish economy after the year 2000? And after 2008? What is a welfare state? What basic services does…
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Complete. Parts of a cell
EduBook Organización
- 2511 visitas
Complete the following text about cells with the correct words: cytoplasm shapes nucleus cell membrane cells cytoplasm Cells have many different : round, long, square etc. Although they have different…
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Calculate - End-of-unit activities
EduBook Organización
- 2452 visitas
Calculate the work done by a person who pushes a wheelbarrow for a distance of 100 m if he exerts a force of 500 N. What is the efficiency of a machine which does 230 J of work but uses 410 J of total energy?
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Unit 5: Interaction, adaptation and coordination in animals and plants
EduBook Organización
- 2424 visitas
Acquired (adj): referring to behaviour: not present at birth, which an animal has to learn. auxin (n): a hormone which affects the growth and development of plants. behaviour (n): the way an organism…
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Look at the photo. Answer the questions
EduBook Organización
- 2361 visitas
Look at the photo. Answer the questions: What is this sculpture made of? Is ice a solid or a liquid form of water? What will happen when the ice melts? What do we call the process when ice changes into…
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Think about it. Abiotic factors
EduBook Organización
- 2351 visitas
Remember what you have studied in this section and answer the questions: Why do you think life developed in water before it developed on land? Light is very important for which organisms? How does light…