The magnetized part of a compass that points direction
What is a needle
100
A group of atoms whose magnetic fields are lined up in the same direction
What are domains
100
Why does the needle of a compass always point north
What is the earth's magnetic field
100
The materials necessary to create an electromagnet
What is battery, nail, wire
100
Two ways magnets can lose magnetism
What is extreme heat and severe breakage
200
A current carrying coil of wire with many loops
What is a solenoid
200
A tool that uses a magnet to show direction
What is a compass
200
An electromagnet only works...
when the current is flowing
200
The strength of a magnetic field depends on these two things
What are material of magnet and strength of magnet.
300
Metals (iron, cobalt and nickel) which attract metals like iron, cobalt and nickel
What are magnets
300
The area on a magnet where the force is strongest
What is magnetic poles
300
Refrigerators, stereo speakers, car motors
What are some of the places where electromagnets are used
300
This is what happens when a magnet is cut into two pieces
It creates two new magnets-each with a north and south pole
400
The push or pull of a magnet
What is magnetic force
400
The area around the magnet where the force of a magnet can act
What is Magnetic Field
400
The domains in a steel paper clip points in many directions. Then a magnet is rubbed over the paper clip in one direction. The domains inside the paper clip line up. The paper clip becomes a magnet and can attract other paper clips
What is the way a paper clip becomes a magnet
400
A nail lowered into a bucket of nails will pick up a chain of nails because....
Each nail becomes a temporary magnet
500
A current carrying coil of wire with many loops wrapped around a magnetic rod (nail) attached to a battery.