Show:
Magnetism
Electricity
Circuit
Conductors and Insulators
Magnets Facts
100
What would happen if the north ends of two magnets were close together?
What is repel?
100

Socks taken from a clothes dryer that stick together or a lightning bolt in the sky are examples of ____________.

What is static electricity?

100
Is a circuit open or closed if you haven't turned on the switch?
What is open?
100
What is a material that lets electric current pass through?
What is a conductor?
100
The core of Earth is likely made of these 2 things

What is iron and nickel?

200
If a south end of a magnet is close to a north end of a magnet, the magnets will _________.
What is attract?
200

True or False: Like charges attract and unlike charges repel.

What is False? Like charges repel and unlike charges attract.

200
What supplies current to an electrical circuit?
What is a battery (or other electrical source)?
200
What is a material that blocks an electric current from passing through?
What is an insulator?
200

2 things that weaken a magnet

What is dropping, hammering, or heating?

300

True or False: Magnets are strongest in their middle/core.

What is False?

300

If you rub your hair on a balloon and the balloon becomes _____________ and your hair becomes ____________.

What is a negative balloon and positive hair?

300
What part of a circuit does electrical energy change from one form to another?
What is a load (lightbulb)? This is where the energy changes to produce heat or light.
300
Which of these materials is not a conductor: copper, aluminum, gold, or wood?
What is wood?
300

Name of a train that uses magnets to float above the track

What is Maglev train?

400
True or False: All magnets have a north and south pole.
What is True?
400

Current electricity is different from static electricity in this way.

What is a continuous flow of electric charges?

400
True or False: When you turn on a light, the switch is opening the circuit.
What is False? A switch closes the circuit to turn on the light.
400
Which of these materials is a conductor: rubber, glass, air, silver?
What is silver?
400

Units used for measuring magnets

What is Tesle (T)?

500
Will a magnet attract copper, rubber, iron, or plastic?
What is iron?
500

The region around a charged object where the electric force is exerted

What is the electric field?

500
An electrical circuit is made up of a connector (wire), a load (lightbulb), a switch, and a ____________.
What is a battery (or electrical source)?
500

True or False: Water is a conductor.

What is True?  So, don't mix water with an electrical circuit!!!!

500

Three places magnets were used in ancient times

What is an Greece, China, and India?