Static Electricity

Front

If two charges repel each other, the two charges must be: Positive and neutral, Positive and negative, Neutral and positive, Negative and negative

Back

Negative and negative

Front

An object becomes charged when the atoms in the object gain or lose: electrons, protons, neutrons, all of the above

Back

electrons

Front

If you rub a glass rod with a piece of silk, the rod becomes positively charged. What does this mean?

Back

the silk has become negatively charged.

Front

Objects that have opposite charges

Back

are attracted to each other, and the force between the objects pulls them together.

Front

When you pull a cotton sweater off your skin, electrons are transferred from the _______________ to the _______________. As a result, your body acquires a ___________ charge and the cotton sweater acquires a ___________ charge.

Back

skin, cotton, +, -

Front

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

Back

A negative charge.

Front

Which of the following is caused by static electricity? Options: a stove getting hot when it is turned on, a magnet being attracted to a refrigerator, a lightning strike during a storm, a light bulb coming on when a switch is turned on

Back

a lightning strike during a storm

Front

What charge does a proton have? Options: negative (-), positive (+), neutral or no charge (0)

Back

positive (+)

Front

What charge does an electron have? Options: negative (-), positive (+), neutral or no charge (0)

Back

negative (-)

Front

What can happen when you touch a metal doorknob after rubbing your shoes on the carpet?

Back

Millions of electrons go from your finger into the doorknob