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Recursos educativos
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Nivel educativo
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Competencias
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Tipología
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Idioma
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Tipo de medio
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Tipo de actividad
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Destinatarios
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Tipo de audiencia
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Creador
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Think - People and work
EduBook Organización
- 1 lo usan
- 1604 visitas
Think about the people in your family. Which members of your family are part of the active population? What do they do? Which members are part of the inactive population?
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Think about it. Sound
EduBook Organización
- 1774 visitas
Remember what you have studied in this section and answer the questions: Why do we say that sound transports energy? What kind of energy is it? If we put our ear close to a railway track, we know that a…
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Think about it
EduBook Organización
- 1724 visitas
Make a diagram showing the order of events from pollination to fertilisation. Which system of pollination is better, insect or wind? Debate. What is the advantage and disadvantage of coevolution as seen…
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Think - The biological environment
EduBook Organización
- 1613 visitas
Some animals hunt in groups. Can you name an animal that hunts in groups? What are the advantages of hunting in this way?
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Think. Intensity of sound
EduBook Organización
- 1556 visitas
Look at these objects. They all produce different types of sound. List them in the order of their intensity, from the loudest to the quietest sound.
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Stop! Look! Listen! Think!
Suzanne Teesdale Organización
- 2 lo usan
- 1150 visitas
Road safety song and activity.
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Think - Air and life
EduBook Organización
- 1512 visitas
The quantity of gases in the air is less at high altitudes. There is less oxygen at the top of a mountain than at sea level. Why do you think the mountain climber in the photo is wearing an oxygen mask?
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What do you think?
EduBook Organización
- 1529 visitas
Discuss these questions as a class. Why is the envelope of the letter missing? Do you think Dorothy read the letter? Why do you think Dorothy stopped crying? Do you think there will be footsteps in the…
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Think and answer. Spermatozoids
EduBook Organización
- 1376 visitas
Look at the diagram on the right. It shows the sexual reproduction of Sargasso seaweed, found in the Atlantic Ocean. Each spermatozoid has two small tails to help it swim to the ovules. What do the…
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Think - Simple machines
EduBook Organización
- 1 lo usan
- 1156 visitas
Make a list of machines that have wheels. Do you use these machines? How often?
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