There are this many types of electrical charges (NUMBER).
What is two.
100
An instrument that uses the Earth's magnetic field to help people find directions.
What is a compass.
100
This is in your house and uses electricity.
What is a toaster, radio, coffee pot, t.v. etc.
100
This is how many poles magnents have. (NUMBER)
What is two.
200
Most magnets are made of ________________.
What is metal.
200
Electrical charges are ________________ or ___________.
What is positive/negative.
200
A compass needle is actually a ____________.
What is a thin magnent.
200
This device is an electromagnet and can be used to play music.
What is an electric guitar.
200
List one pole of a magnent.
What is North.
300
Every magnet has a ______________ ______________.
What is a magnetic field.
300
A circuit needs these three things to be complete.
What is a light bulb, a power source, and wire.
300
Directions a compass can tell us.
What is North, South, East, and West.
300
An electric current flows through the elctromagnet inside
a _________________, which creates a magnetic field-
causing a metal hammer to srtike a bell.
What is a doorbell.
300
The second pole is the _________ pole.
What is South.
400
An electromagnet can be made by wrapping wire around
a ___________ core and running an ________________
_____________ through the coil of wire.
What is a metal (iron)/ an electric current.
400
A type of circuit that has only one path.
What is a series circuit.
400
List the four directions between North, South, East and West.
What is Northeast, Northwest, Southeast, Southwest,
400
This device changes electrical energy into sound.
What is a loudspeaker.
400
Opposite poles do this.
What is attract.
500
Increasing the electrical current in an electromagnet
makes the magnetic field _____________________.
What is stronger.
500
This type of circuit allows an electric current to flow through more than one path.
What is a parallel circuit.
500
The compass needle points North. Why?
The compass needle alignes with the Earth's magnetic field.
500
A device that uses a magnet to convert sound into
electrical signals.