Magnets and electromagnets

Which materials are magnetic?

• Wood

• Zinc

• Cobalt

• Aluminium

• All the Above

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What happen if you bring a north pole and a south pole together?

• The Repel

• They Attract

• The pull apart

• None of the Above

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Which direction does the magnetic field move towards?

• South to North

• North to South

• Left to Right

• Magnetic Fields to not move towards anywhere

Which direction does the needle of a compass point to?

• North

• South

• East

• West

• None of the above

How are electromagnets different from magnets?

• magnets can be turned on/off
• you can turn an electromagnet on/off
• magnets are more powerful
• magnets have a North and South pole

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What is the metal center of an electromagnet called?

• The current
• the wire
• the coil
• the core

What is magnetism?

• invisible objects coming together
• a force that either attracts or repels certain materials
• full of electricity
• metals

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How do you make an electromagnet stronger?

• Add a motor and/or lightbulbs
• Add more light bulbs and/or wire coils
• add more wire coils and/or a switch
• add more wire coils and/or batteries

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This is a picture of a simple electromagnet. How can the electromagnet be made stronger?

• Add more coils of wire to the nail.
• Use a smaller battery.
• Reverse the poles of the magnet.
• Remove all the coils and the nail.

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Which of the following is NOT part of an electromagnet?

• Wire
• Iron
• Toothpick
• Power source