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Introduction - Light and sound
EduBook Organización
- 2559 visitas
We perceive most of the things around us because we can see or hear them. Most objects do not have their own light. We see them because they are illuminated by light from natural and artificial sources,…
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Answer. Light and sound
EduBook Organización
- 1 lo usan
- 2150 visitas
Answer the following questions in your notebook: What is light? Which of our senses perceives it? What does our image look like in a mirror? What do we use a magnifying glass for? Why do objects have…
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Look. Characteristics of a crustacean
EduBook Organización
- 2296 visitas
The Dublin Bay prawn is one of the best-known crustaceans, especially in restaurants. Look at the image and answer the questions: What is the shape of its cephalothorax? And its abdomen? Which part best…
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A microscope
EduBook Organización
- 2272 visitas
A microscope is an instrument that magnifies very small objects, like cells, so that we can observe and study them. The main part of this instrument is a metal tube with a lens at each end: the eyepiece…
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Mirrors and lenses
EduBook Organización
- 2238 visitas
Mirrors A mirror is a piece of flat glass. One side is covered with shiny metal, which reflects light. We see an image of the person or object in front of it. This is called reflection. We see our…
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English Bites / Perfect school
Xtec Organización
- 3887 visitas
John Marsden is a popular Australian children's author who's also spent a lot of time working with and teaching young people. And now he want to open his own, perfect school. Schools are very…
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