Static Electricity

Static charges build up when

• Protons move within an object

• The nucleus moves within an object

• Neutrons move within an object

• Electrons move within an object

Which of the following is caused by static electricity?

• A stove getting hot when it is turned on.

• A magnet being attracted to a refrigerator.

• A light bulb coming on when a switch is turned on.

• A lightning strike during a storm.

A positively-charged and a negatively-charged object will...

• Attract

• Repel

• Do nothing

Electricity does not flow well through insulators. A good example of an insulator is _________________.

• Metal

• Silicon

• Carbon

• Rubber

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

• Neutrons

• Protons

• Orbits

• Subatomic Particles

The method of charging in which an object is rubbed against the surface of another object.

• Friction

• Conduction

• Electromagnetism

• Induction

An object becomes positively charged by

• losing protons

• gaining electrons

• losing electrons

• gaining protons

What charge does an electron have?

• Negative (-)

• Neutral or no charge (0)

• Positive (+)

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.

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

• Electrons

• Protons

• Neutrons

• All of the above