Magnet Basics
This is the area around a magnet where magnetic force acts?
What is a magnetic field
The earth acts like one giant__________.
What is a magnet?
Magnets made using electricity are called these.
What are electromagnets?
The push or pull between objects.
What is force?
These hold papers on refrigerators
What are magnets?
These are the two ends of a magnet
What are poles?
This tool uses Earth's magnetic field.
What is a compass?
Wrapping wire around this metal core makes a stronger electromagnet.
What is iron?
The region where a force can be felt.
What is field?
Hospitals use this machine with powerful magnets.
What is MRI?
Opposite poles do this
What is attract?
The magnetic pole near the North Pole is called this.
What is magnetic north?
Turning off the current does this to the magnetism.
What is stops/disappears?
A moving electric charge creates this.
What is a magnetic field?
These devices use magnets to make sound.
What are speakers/headphones?
Like poles do this
What is repel?
Charged particles near Earth can create these colorful lights.
What are auroras?
Increasing loopsof wire does this to strength.
What s increases it?
Lines drawn to show magnetic force are called this.
What are field lines?
Credit cards often store data using this strip.
What is a magnetic strip ?
This material is strongly attracted to magnets
What is iron?
Earth's magnetic field helps protect us from this from the sun.
What is solar wind?
This machine often uses electromagnets to lift scrap metal.
What is a crane?
The center area where magnetic force is weakest in a bar magnet.
What is the middle?
This is Ms Morano's first name
What is Ms Morano?