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Biomass energy
V&V Books Vicens Vives Organización
- 1 lo usan
- 1827 visitas
People have used biomass energy?energy from living things?since the earliest ?cave men? first made wood fires for cooking or keeping warm. Today, biomass is used to fuel electric generators and other machinery.
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Experiment. Electrical conductors and insulators
EduBook Organización
- 1939 visitas
This photo shows a simple electrical circuit. You can use it to discover if a material conducts electrical current. First, try with a metal key, and then with a piece of wood. What do you think will…
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Analyze. Historical progress
EduBook Organización
- 1525 visitas
Look at these drawings. They show the evolution of wood cutting over the centuries: What are the people doing in each picture? Which technique is the fastest and the safest?
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BEHIND THE SCIENCE: Renewable Energy (National Geographic)
V&V Books Vicens Vives Organización
- 687 visitas
Can wood chips save the world? That is the question that professor Ceulemans of the University of Antwerp and his team try to solve since 2010. On the larges...
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Minecraft beginners guide
Perty de Olano Corberó Organización
- 727 visitas
Minecraft Tutorial for Beginners and New Players. It teaches you how to get wood, craft tools and weapons, make a crafting table and furnace, cook food and protect yourself.
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Matter and materials
EduBook Organización
- 7770 visitas
Everything around us is made of matter. Matter can be solid, like a table, liquid, like milk, or gas, like the air. All matter is made of different materials. Some things are made of wood, like a…
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Activities - Matter and materials
EduBook Organización
- 1 lo usan
- 5556 visitas
Everything around us is made of matter. Matter can be solid, like a table, liquid, like milk, or gas, like the air. All matter is made of different materials. Some things are made of wood, like a…
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Introduction - Matter and materials
EduBook Organización
- 4316 visitas
Everything around us is made of matter. Matter can be solid, like a table, liquid, like milk, or gas, like the air. All matter is made of different materials. Some things are made of wood, like a…
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Remember - Matter and materials
EduBook Organización
- 4263 visitas
Everything around us is made of matter. Matter can be solid, like a table, liquid, like milk, or gas, like the air. All matter is made of different materials. Some things are made of wood, like a…
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David's house
EduBook Organización
- 3093 visitas
Houses did not have electricity Clara's great-grandfather lived in a village when he was young. Great-grandfather David's house did not have electricity. People used oil lamps or candles to…
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