1. Electromagnets By: Emily M.
Note: After the presentation there will be a short quiz consisting of 3 questions. Don’t forget to listen and pay attention because the answers can be found in this presentation.

2. What are electromagnets?
An electromagnet is a device consisting of an iron or steel core that is magnetized by an electric current in a coil that surrounds it.

3. How to make a electromagnet?
Video
Materials
Battery
Switch
Wires (3)
Bolt
Screw

4. How are electromagnets used in our everyday life?
In everyday life, electromagnets are used in motors that run appliances and machines we use. Each motor has copper wires wound around an iron core. When electricity passes through the iron core, the core rotates at high speed. The high speed creates a magnetic field between the core and the wires. This makes the electricity course through a power supply that makes the appliance or machine run.

5. Why are electromagnets helpful in our everyday life?
Electromagnets are helpful because you can turn them on and off. If you used a regular magnet it would suck up everything around you that is magnetic.

6. Quiz
The following quiz consist of 3 questions that can be found in my presentation.
What is an electromagnet?
An electromagnet is a device consisting of an iron or steel core that is magnetized by an electric current in a coil that surrounds it
An electromagnet is a battery, wires, light bulb, and switch connected together to make an electrical current or

7. Where can electromagnets be found?
Car dealers
Junkyards
Toy Stores
Bank

8. What materials can you use to make electromagnets?
Battery
Light bulb
Switch
Bolt
Nail
Wires (2)
Battery
Switch
Wires (3)
Bolt
Screw

9. Credits http://dictionary.reference.com/browse/electromagnet?s=t