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The water cycle
EduBook Organización
- 1498 visitas
3.1. Always the same water Water follows a closed cycle. It is constantly changing its state and location, but the amount of water on Earth does not change. This limited but stable amount of water gets…
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Energy Forms and Changes
Cristina Seco Organización
- 1324 visitas
Explore how heating and cooling iron, brick, and water adds or removes energy. See how energy is transferred between objects. Build your own system, with energy sources, changers, and users. Track and…
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Is nuclear energy renewable? | Natural History Museum
V&V Books Vicens Vives Organización
- 1 lo usan
- 530 visitas
'Renewable' energy refers to energy from sources that are constantly replenished. This isn't true of nuclear energy production. However, it doesn't release greenhouse gases and is the…
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Heat and temperature
EduBook Organización
- 6835 visitas
Heat or thermal energy is the energy that a body transfers to a colder body at a certain temperature. Thermal energy is involved in many processes in our daily life, like cooking food, making a hot…
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Check. Test yourself
EduBook Organización
- 5089 visitas
Remember what you have studied in this unit and answer the questions: What are the two different types of waves? What are sources of light like? Name two classifications. What types of shadows does an…
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Before you start - Heat and temperature
EduBook Organización
- 4853 visitas
Heat or thermal energy is the energy that a body transfers to a colder body at a certain temperature. Thermal energy is involved in many processes in our daily life, like cooking food, making a hot…
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End-of-unit activities - Heat and temperature
EduBook Organización
- 4618 visitas
Heat or thermal energy is the energy that a body transfers to a colder body at a certain temperature. Thermal energy is involved in many processes in our daily life, like cooking food, making a hot…
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