13692944
Descrição
Mapa Mental por Megan Bray, atualizado more than 1 year ago
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Criado por Megan Bray
mais de 6 anos atrás
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Magnetism
- Magnetic fields
- the space around the magnet
- goes from north to south
- it can affect magnetic materials
- it can affect magnetic materials
- goes from north to south
- the space around the magnet
- Facts
- one end of the magnet will point north if the magnet is free to turn
- Use a glass bowl because if you use steel it will attract the magnet
- Use a glass bowl because if you use steel it will attract the magnet
- one end of the magnet will point north if the magnet is free to turn
- Electromagnet
- increasing the strength
- turn or wraps of wire
- voltage
- the core
- the core
- voltage
- turn or wraps of wire
- increasing the strength
- Relays
- a relay in a car makes it safer
- they don't have to touch a swich
- they dont have to touch high voltage
- they don't have to touch a swich
- a relay in a car makes it safer
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