The push or pull of charged objects on each other is _________.

Ted wants to use a magnet to hold the door of a playhouse closed. The door and the doorframe are both made of plastic. Ted places a magnet onto the doorframe. Will the magnetic force keep the door closed?

As opposed to permanent magnets, electromagnets attract magnetic objects only when the electric current is turned on. True or False?

A lightning strike is an example of the transfer of particles that have an electric charge between objects that are not touching. This transfer is called a ____________________.

This is an illustration of Earth's magnetic _______________, or the space where the force of a magnet acts.

The strength of electric force becomes weaker as electrically charged objects get closer to each other.. True or False?

A naturally magnetized mineral magnetite, called __________, was used as the first compass. It could turn an iron needle into a magnet, which would always point North. This enabled navigation.

What will happen when a particle with a negative electric charge is placed near a particle with a positive electric charge?

A ________________ is a push or a pull.

____________ is a noncontact force that can either attract or repel other objects.

Electric charges flow easily through insulators such as rubber, wool, glass, and wood. True or False?

If the number of positive and negative charges are equal to each other, the matter has no electric charge. It is

Gold, silver, and copper allow electrical charges to move easily. These metals make efficient _______________.