Electric Basics
What is electricity the flow of?
What is Electric charges?(electrons)
What are the two ends of a magnet called?
What is north and south poles
What happens when electricity flows through a wire?
It creates a magnetic field
True or false: Electricity and magnetism are connected.
what is true
What household item uses magnets to stick notes on the fridge?
What is a magnet
What charge do electrons have?
What happens when two like magnetic poles are brought together?
They repel
What do you call a magnet made by electricity?
What is an electromagnet
What happens to a magnetic field when electric current increases?
It gets stronger
What device turns electrical energy into motion using magnetism?
what is a car motor?
What material lets electricity flow easily?
What is metals (like copper), a conductor
What object is commonly used to show Earth’s magnetic field?
What is a compass
What happens to an electromagnet when the current is turned off?
what is it loses its magnetism
What do we call the combined force of electricity and magnetism?
what is electromagnetism
What machine uses electromagnets to lift heavy metal?
what is a crane
What is the unit used to measure electric current?
What metal is strongly attracted to magnets?
What is iron
What metal core is often used to make electromagnets stronger?
What is iron
What kind of energy travels as waves and includes light?
what is electromagnetic waves
What technology uses electromagnetism to send music and voices?
What is a radio?
What device is used to open or close an electric circuit?
What is a switch?
What invisible lines show the magnetic field around a magnet?
what is magnetic field lines
What everyday device uses electromagnets to move sound?
A speaker
What changes in a magnetic field can produce electricity?
what is a moving or changing magnetic field
What medical machine uses strong magnets to take Images
what is an xray or an mri machine