Electricity

In a neutral atom, the number of electrons is equal to the number of _______.

• Neutrons
• Orbits
• Protons
• subatomic particles

An object becomes charged when the atoms in the object gain or lose

• electrons
• protons
• neutrons
• all of the above

A region around a charged particle that can exert a force on another charged particle is called an

• electric pulse.
• electric charge.
• electric force.
• electric field.

Will the balloons ATTRACT or REPEL each other?

• 
• 

What is an electric current?

• a build up of electrons

• the difference in charge between 2 points

• the flow of electrons over a circuit

• the opposition to flow of electrons

What is found in the nucleus of an atom?

• protons and electrons

• neutrons and electrons

• protons and neutrons

What electrical symbol is this?

• Open Switch
• Closed Switch
• Lightbulb
• Battery

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed

• Energy cannot be created or destroyed, it can only transformed

• Energy can't be created, destroyed or transformed

• Energy cannot be created or destroyed.

Electricity that flows in a closed path is called a

• path
• current
• circuit

To complete a circuit the switch must be

• unattached
• open
• closed