Electrostatics

Negative charge is formed when there is an excess amount of

• Electrons
• Neutrons
• Protons

Opposite charges ______ each other

• Attract
• Repel
• Do nothing

In an electrically neutral object, what must be true about the numbers of protons and electrons?

• They are equal
• There are more protons than electrons
• The protons and and neutrons must be equal
• There are more electrons than protons

If a negatively charged rod touches a conductor, the conductor will be charged by what method? 

• Friction
• Conduction
• Induction
• Convection

The electrons in a certain material are closely bound to their atoms and cannot move around very much.  This material would be an electric _____.

• Conductor
• Diode
• Insulator
• Polarizer

Two storm clouds rub against each other giving one cloud a positive charge and one a negative charge.  This is an example of charging by

• Conduction
• Convection
• Friction
• Induction

Which particle has a positive charge?

• Protons

• Neutrons

• Electrons

Which particle has a negative charge?

• Protons

• Neutrons

• Electrons