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Recursos educativos
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Introduction - Obtaining and using energy
EduBook Organización
- 3524 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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The Solar System
EduBook Organización
- 3466 visitas
The Solar System is made up of all the celestial bodies that are affected by the Sun's gravity. The most important of these are the planets. Planets Planets are large, round celestial bodies that…
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End-of-unit activities - Obtaining and using energy
EduBook Organización
- 3451 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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What plants need
EduBook Organización
- 3447 visitas
1.1. Plant nutrition 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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Remember - Obtaining and using energy
EduBook Organización
- 3382 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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The Earth (I)
EduBook Organización
- 3381 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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Summaries - Matter and its properties
EduBook Organización
- 3223 visitas
1. Matter Matter is anything which has mass and volume. For example, the Sun, the Earth, and human beings are all made up of matter. A physical system is any part of the Universe which is made up of…
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Investigate - Obtaining and using energy
EduBook Organización
- 3224 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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Summaries - The Earth, a Living Planet
EduBook Organización
- 3182 visitas
1. The beginning of life The Earth is the only planet in the Solar System that has all the conditions for life to develop. These conditions are its size, its distance from the Sun and the existence of…
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