Recursos educativos electrical página 10

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Complete. Energy
EduBook Organización
2586 visitas
Complete the sentences with the correct words: fuels deformations sources hot volume renewable Sun Heat thermal equilibrium up movements coal power On Earth, most of the energy on earth comes from the .…
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Neurons and nervous actions
EduBook Organización
2582 visitas
Neurons The nervous system consists of special cells called neurons (or nerve cells). Each neuron has many short nerve extensions, called dendrites. One of the extensions is longer than the others. This…
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Forms of energy
EduBook Organización
2546 visitas
1.1. Energy Energy is a property of matter which gives it the ability to produce change in its own physical and chemical properties and in those of other bodies. 1.2. The main forms of energy The main…
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Light
EduBook Organización
2444 visitas
What is light? Light is a form of energy. It produces changes in the things that it shines on. For example, light makes it possible for plants to grow. We can convert light into electrical energy using…
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Mobile phones could soon be powered by walking
BBC Organización
3444 visitas
This article explains how a device placed in a shoe can capture the energy of moving micro droplets and convert them into electrical current. A stroll could be enough to recharge portable electronics.…
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Power stations that use energy
EduBook Organización
2397 visitas
Power stations convert heat energy into electrical energy that is then used in homes and factories and on the railways. There are two types of power stations that use heat to produce electricity:…
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True / False. Properties of light
EduBook Organización
2254 visitas
Are these sentences true or false? Light sources produce light. There are natural light sources and artificial light sources. We can convert light from the Sun into electrical energy using solar panels.…
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Eloy's city
EduBook Organización
2144 visitas
Streets, buildingd and plats When great-grandfather David got married, he went to live in the city. In 1946, Clara's grandfather Eloy was born. When grandfather Eloy was young, he liked walking…
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Let's learn how to... - Machines
EduBook Organización
1980 visitas
Make an electric generator What do we need? A wooden ruler. A pencil. Adhesive tape. A bicycle dynamo (alternator). String. A 1.5 volt light bulb. Scissors. Electrical cable. What do we do? You are…
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Choose. Atmospheric phenomena
EduBook Organización
1974 visitas
Match each phenomenon with its description: Movement of air from one place to another because of differences in the pressure between the two places. Water droplets and ice crystals that fall from clouds…
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