Electricity and Magnetism Review

What is the charge of an electron?

• Positive

• Neutral

• Negative

• Variable

What happens to an atom that gains electrons?

• It becomes positively charged

• It becomes negatively charged

• It remains neutral

• It loses protons

Which of the following is an example of a conductor?

• Rubber

• Wood

• Copper

• Glass

What is the Law of Electric Charges?

• Like charges attract and opposite charges repel

• Opposite charges attract and like charges repel

• All charges attract

• All charges repel

Tags

NGSS.MS-PS2-3

What is the definition of static electricity?

• The flow of electric current through a conductor

• The resistance to electric current

• The build-up of electric charges

• The discharge of electric charges

Where are magnets the strongest?

• In the middle

• At the poles

• On the sides

• At the equator

What happens when like poles of two magnets are brought together?

• They attract each other

• They repel each other

• Nothing happens

• They become stronger

Tags

NGSS.MS-PS2-3

What does a compass detect?

• Earth's gravitational field

• Earth's magnetic field

• The temperature

• The humidity

What type of magnet can be created by an electric current flowing through wires?

• Permanent Magnet

• Temporary Magnet

• Compass

• Electromagnet

How can the strength of an electromagnet be increased?

• By decreasing the number of coils

• By using a weaker battery

• By adding more coils

• By disconnecting the wire from the battery

Tags

NGSS.MS-PS2-3