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Biomass energy
V&V Books Vicens Vives Organización
- 1 lo usan
- 1807 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
- 1895 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
- 1502 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
- 671 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
- 713 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
- 7591 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
- 5399 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
- 4166 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
- 4127 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
- 3044 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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