4.1 Mastery Check

Match the subatomic particle with its charge:

• +

• Electron

• 0

• Proton

• -

• Neutron

Where are electrons located in the atom?

• with the neutrons

• surrounding the nucleus

• in the nucleus

• beside the protons

What are the three rules of charge?

• Opposite charges attract

• Like charges repel.

• Like charges attract.

• Charged objects cannot affect neutral objects.

• Charge cannot be created or destroyed

Tags

NGSS.MS-PS2-3

Which of the following would NOT be a good conductor?

• 
• 
• 
• 

Which of the following would NOT be a good insulator?

• 
• 
• 
• 

Tags

NGSS.MS-ETS1-2

NGSS.MS-PS3-3

Which of the following are ways that charge can be transferred?

• Conduction

• Friction

• Convection

• Induction

Which of the following is an example of conduction of an electric charge?

• Using a rubber band to connect two wires.
• Placing a battery on a wooden table.
• Holding a metal spoon in your hand.
• Connecting a metal wire to a battery.

Which of the following is an example of induction of an electric charge?

• Using a magnet to attract a piece of metal.
• Bringing a charged object near a neutral conductor.
• Connecting a battery to a light bulb.
• Charging a neutral object by rubbing it with fur.

Which of the following is an example of the transfer of electrons by friction?

• Using a magnet to attract metal objects.
• Charging a phone using a cable.
• Boiling water to create steam.
• Rubbing a balloon on hair.

What causes lightning?

• Lightning is caused by the friction of wind against trees.
• Lightning occurs due to the heat generated by the sun.
• Lightning is caused by the buildup of neutrons in the clouds attracting electrons from the ground.

• Lightning is caused by the discharge of electricity due to the buildup of electrical charges in clouds.