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Recursos educativos
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The movement of air: wind
EduBook Organización
- 4142 visitas
Wind Wind is moving air. Air moves from cold areas to warmer areas and produces wind. When the Sun is shining, the air gets hot. Hot air is lighter than cold air. So when the air gets hot, it rises up…
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End-of-unit evaluation - Obtaining and using energy
EduBook Organización
- 4126 visitas
Energy drives the Universe and is part of all the changes which take place on Earth. The Sun is our main source of energy. Without it, there would be no life and most other sources of energy would not…
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Before you start - Obtaining and using energy
EduBook Organización
- 4019 visitas
Energy drives the Universe and is part of all the changes which take place on Earth. The Sun is our main source of energy. Without it, there would be no life and most other sources of energy would not…
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Self-evaluation 9 - Society and the environment
EduBook Organización
- 4005 visitas
Complete these sentences about the exploitation of resources with the missing word: The global rise in population has caused greater demand for land and natural resources. Although there are still many…
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Summaries - Plant nutrition
EduBook Organización
- 3959 visitas
1. What plants need Nutrition is all of the processes that living things use to convert the foods they ingest. They transform these nutrients into biomolecules that they need to make cells and tissues.…
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Complete a summary. Energy
EduBook Organización
- 3783 visitas
Complete the sentences with the correct words: temperature hot changes renewable volume cold Non-renewable heat energy sources artificial The most common forms of energy are electrical and . The Sun,…
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The movements of the Earth and the seasons
EduBook Organización
- 3743 visitas
The planet Earth is round, like a ball. We call this shape a sphere. We use imaginary lines to study it. The Earth moves in two ways. It orbits (moves around) the Sun and it rotates on an imaginary line…
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Self evaluation 6 - Our planet Earth
EduBook Organización
- 3721 visitas
Complete the sentences with the correct word: The planets share their orbits with other celestial bodies. If the Earth was cut in two at the equator, the planet would be divided into two equal . The…
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Before you start - Society and the environment
EduBook Organización
- 3672 visitas
Didactic objectives Understand what ecosystems are and how they work, as well as the elements that make up the Earth’s ecosystem. Understand the role of the Sun as the source of all life on Earth.…
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Summaries - Light and sound
EduBook Organización
- 3647 visitas
1. Light Light is a form of energy. Light sources produce light. There are two types of light: natural light sources, like the Sun and artificial light sources, like light bulbs. Light waves travel in…
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