Q2 Review Charge, Electricity, Magnetism, and Electromagnetism

The charge of an electron is:

• Positive. 
• Negative. 
• Electrons have no charge

Which of these is the electron?

• A

• B

• C

What subatomic particles would you find in the nucleus of an atom?

• Protons only
• Protons and Neutrons
• Neutrons and Electrons
• Protons and Electrons 

What charge does a proton have?

• negative (-)
• positive (+)
• neutral or no charge (0)

If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?

• A positive charge.
• A negative charge.
• A neutral charge
• No charge at all

Protons and Electrons balance the charge of an atom.

• True
• False

Two like charges:

•  neutralize each other.
• repel each other. 
• must be neutrons. 
• attract each other.

Which type of charge moves from one object to another to cause static electricity?  

• Atom
• Proton
• Electron
• Neutron

Lightning is _____.

• a buildup of neutrons
• harmless
• a high-voltage electric current
• a large discharge of static electricity

What is the difference between a conductor and an insulator?

• An insulator allows electricity to flow through it easily and a conductor does not
• A conductor allows electricity to flow through it easily and an insulator does not.
• An insulator is magnetic and a conductor is not
• A conductor is magnetic and an insulator is not