Science Quarter 3 Week 6

Science Quarter 3 Week 6

Electromagnet

Multiple Choice

What is an electromagnet?

• a permanent magnet with a north and south pole

• a temporary magnet made from current carrying wire around a magnetic metal core

Multiple Choice

What is a permanent magnet?

• Can be turned off

• Can not be turned off

• Can turned on and off

Multiple Choice

Surrounding every magnet is a __________ __________.

• another magnet

• electrical current

• magnetic field

Multiple Choice

How are electromagnets different from magnets?

• magnets have a North and South pole

• you can turn an electromagnet on/off

• magnets are more powerful

Multiple Choice

What component becomes a temporary magnet when electricity is flowing through the circuit?

• iron nail

• copper wire

• battery

• switch

Multiple Choice

What component becomes a temporary magnet when electricity is flowing through the circuit?

• iron nail

• copper wire

• battery

• switch

Multiple Choice

Which component provides the energy or the power source to run the electromagnet?

• Iron nail

• wire

• Switch

• Battery

Multiple Choice

What component provides the pathway to carry electricity from component to component?

• battery

• wire

• switch

• iron nail

Multiple Choice

Sophia made an electromagnet but it was very weak. How can she make it stronger?

• take away the battery

• wrap the wire loosely

• use less copper wire

• coiled more copper wire

Multiple Choice

The strength of the magnetic field of a electromagnet can be increased by

• Decreasing the number of coils.
• Increasing the number of coils
• Decreasing the current
• Increasing the resistance

Multiple Choice

  You can make an electromagnet stronger by: having a __________________ current in the wire

• smaller
• larger
• greener
• water

Multiple Choice

While electric current is flowing through a wire, what surrounds the wire?

• a magnetic field
• a glowing light
• neutrons
• protons

Thank You!