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MAGNETISM Understand the Attraction!. Magnetism Magnetic means the ability to make forces on magnets or other magnetic materials Permanent Magnet Electromagnet.

Published byJanice O’Neal’ Modified over 9 years ago

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Presentation on theme: "MAGNETISM Understand the Attraction!. Magnetism Magnetic means the ability to make forces on magnets or other magnetic materials Permanent Magnet Electromagnet."— Presentation transcript:

1 MAGNETISM Understand the Attraction!

2 Magnetism Magnetic means the ability to make forces on magnets or other magnetic materials Permanent Magnet Electromagnet Motors

3 Permanent Magnets Material that keeps its magnetic properties Ex: fridge magnets & bar magnets

4 Electromagnets Magnets that are created when there is electric current flowing in a wire Ex: nail, screw, toaster, doorbell

5 Motors Permanent magnets & electromagnets work together to make electric motors & generators Works by changing the direction of electric current

6 Magnetism Based on the alignment of particles in a substance Atoms have moving electrical charges (electrons) –Moving electrical charges produce a magnetic field (Faraday Effect)

7 Magnetism Atoms in a substance behave like little magnets –An area where the particles all have a similar magnetic field is called a Domain Normal substances’ particles are not aligned Aligning these particles will cause an overall magnetic field

8

9

10 Magnetic Field

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