5.4.3 Static Electricity

Front

What happens when two balloons rubbed with wool are brought near each other?

Back

The balloons will repel each other.

Front

What is the accumulation of excess electric charge on an object called?

Back

Static electricity.

Front

Why can you get a shock if you touch a metal doorknob after walking across a wool carpet?

Back

You have lost electrons; the doorknob has many electrons.

Front

What do electric charges that are different do to each other?

Back

Attract.

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

What is static electricity?

Back

It is the accumulation of excess electric charge on an object.

Front

What is the effect of rubbing two objects together in terms of electric charge?

Back

It can transfer electrons, causing one object to become positively charged and the other negatively charged.

Front

What happens to two like charges when they are brought near each other?

Back

They repel each other.

Front

What happens to two opposite charges when they are brought near each other?

Back

They attract each other.

Front

What is an example of static electricity in everyday life?

Back

When you rub a balloon on your hair and it sticks to the wall.