The flashcards below were created by user
blue55
on FreezingBlue Flashcards.
The area of a magnet where the magnetic field is strongest is the :
Magnetic Pole
The negatively charged particles within an atom is a :
electron
An example of a ferromagnetic material :
iron
A compass works because it ' s magnetic needle :
spins freely
A stream of electrically charged particles flowing from the sun is called the :
solar wind
What maps out the magnetic field around a magnet ?
Magnetic field lines
In an atom protons and what are located in the nucleus ?
neutrons
A material like iron that has strong magnetic properties is a what ?
Ferromagnetic material
A material that keeps it's magnetism for a long time is a :
permanent magnet
The region of earth 's shaped by the solar wind is a what ?
magnetosphere
Describe the structure of an atom :
The structure of an atom contains neutrons and positively charged protons in it's nucleus . Negetivley charged electrons move randomly throughout the atom .
How can a material become a magnet ?
A material can become a magnet by by placing an unmagnetized ferromagnetic material in a strong magnetic field or by rubbing the material with one pole of a magnet .
How does Earth act like a magnet ?
Earth has a magnetic field around it with 2 magnetic poles .
What is a aurora ?
An aurora is a glowing region in the atmosphere .
How is a aurora produced ?
A aurora is produced by high speed charged particles from the sun when they hit Earth ' s surface .