Electricity-Part 2

Electricity is the flow of ________ from one place to another.

Electricity is measured in ________ (w).

Electricity travels at the speed of light, which is approximately ________ km/s.

An electric charge is a property of protons (________) and electrons (________) particles that make up every atom.

Static electricity is a type of ________ that can build up in one place or move from one place to another.

Electric current is measured in ________.

Atoms can easily lose electrons becoming negative or positively charged. Electricity results when electrons ________ from atom to atom.

A conductor is a substance that _______ electric current to pass through it.

An insulator is a substance that...

Lightning is caused by a buildup of ​ (a)   inside a storm ​ (b)   . Then a sudden and brief flow of ​ (c)   is ​ (d)   .