Magnetism

What is Magnetism caused by?

• earths crust

• the motion of electric charges

• the force of gravity

• the sky

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What is a magnet?

• any material that attracts iron and materials that contain iron

• something that is red

• anything that has silver

• a thing that has gold inside of it

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What is a magnetic pole?

• Where Santa makes magnets

• the ends of a magnetic object where the magnetic force is strongest

• A place in Antarctica

What is magnetic force

• the attraction or repulsion between magnetic poles

• a magnet that has force

• when two magnets break next to each other

• the force of gravity

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What is magnetic field?

• a magnet

• when gravity makes a magnet snap

• the region around a magnet where the magnetic force is exerted

• the field where magnets are made

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What is magnetic field lines?

• a random line

• invisible lines that map out the magnetic field around a magnet

• Lines that show how much a magnet weighs

• Lines that show where the most iron is inside of a magnet

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What are 3 properties of magnets

• they attract or repel other magnets

• Magnets attract iron and materials that contain iron

• gravity helps connect magnets together

• one part of a magnet will always point north when allowed to swing freely.

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What happens when a bar magnet is allowed to swing freely?

• One end points west

• One end will point north

• It breaks

• One end points south

What area of a magnet has the strongest magnetic effect?

• the edges

• the left side

• The poles

• the center

What are the two poles of a magnet?

• north pole

• west pole

• east pole

• south pole