This method charges an object by rubbing.

• conduction

• induction

• friction

• static discharge

The center of an atom is called the

• neutron

• nucleus

• proton

• electron

These subatomic particles are found inside the nucleus

• protons and electrons

• neutrons and electrons

• protons and neutrons

• protons, neutrons, and electrons

Matter is defined as anything that has

• mass and volume

• length and width

• mass and height

• volume and length

An instrument that detects an electric charge through conduction is a/an

• conductor scope

• microscope

• inductor scope

• electroscope

An object can become negatively charged by

• losing electrons

• losing protons

• gaining electrons

• gaining protons

Which statement below is correct?

• Protons have a positive charge and neutrons have a negative charge.

• Neutrons and electrons both have a negative charge.

• Protons have a neutral charge and electrons have a negative charge.

• Protons have a positive charge and electrons have a negative charge.

Rubbing a balloon on your head is an example of charging by

• induction

• friction

• conduction

• static discharge

Touching a charged rod to an electroscope is an example of charging by

• induction

• conduction

• friction

• static discharge

Using a charged spoon to pick up salt and pepper is charging by

• induction

• conduction

• friction

• static discharge