Electric Charges and Static Electricity

What are electric charges from?

• Neutrons and electrons

• Protons and electrons

• Protons and neutrons

• Neutrons and protons.

Static electricity is the accumulation of ______ on an object.

• excess electric charges

• water molecules

• magnetic fields

• heat energy

How do atoms become charged?

• By gaining or losing protons

• By gaining or losing neutrons

• By gaining or losing electrons

• By gaining or losing atoms.

What does the Law of Conservation of Charge state?

• Electric charges can be created and destroyed.

• Electric charges can be transferred from object to object, but cannot be created or destroyed.

• Electric charges cannot be transferred from object to object.

Positive and negative charges exert forces on each other. Opposite charges ___.__.

• attract
• repel

• level up the charge

• cancel each other out

What is the process of transferring charge by touching or rubbing called?

• Conduction

• Induction

• Friction

• Radiation

Which of the following is an example of an insulator?

• Metal

• Wood

• Water

• Copper

What is the rearrangement of electrons on a neutral object caused by nearby charged objects called?

• Induction

• Conduction

• Polarization

• Electrolysis

Which material allows electrons to move easily?

• Rubber

• Plastic

• Metal

• Wood

Fill in the blank: ________ is the net movement of electric charges in a single direction through a wire or conductor.

• Electric Current

• Electric Field

• Magnetic Field

• Voltage