Recursos educativos electrical página 10

Mostrando resultados de 101

Mobile phones could soon be powered by walking
BBC Organización
2502 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.…
Ver más
Complete. Energy
EduBook Organización
1913 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 .…
Ver más
Neurons and nervous actions
EduBook Organización
1875 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…
Ver más
Forms of energy
EduBook Organización
1854 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…
Ver más
Power stations that use energy
EduBook Organización
1837 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:…
Ver más
Light
EduBook Organización
1799 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…
Ver más
Eloy's city
EduBook Organización
1659 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…
Ver más
True / False. Properties of light
EduBook Organización
1606 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.…
Ver más
Choose. Atmospheric phenomena
EduBook Organización
1582 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…
Ver más
Let's learn how to... - Machines
EduBook Organización
1481 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…
Ver más