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any material that attracts iron and materials that contain iron is what?
Magnets attract ______ and materials that contain _______.
iron and iron
Magnet attract or repel other magnets. In addition one part of a magnet will always point ________ when allowed to swing freely.
any magnet, no matter what shape, has two ends each one called a _________
Magnetic poles that are alike _______ each other.
Magnetic poles that are unlike ______ each other.
The attraction or repulsion between magnetic poles is called _________
The area of magnetic force around a magnet is known as it's ___________
What are the invisible lines that map out the magnetic field around a magnet called?
magnetic field lines
Magnetic field lines spread out from the __________ pole, and then curve around the magnet and return to the _______ pole?
What is the one of about 100 basic substances that make up all matter.
An _____ is the smallest particle of an element
The center region of an atom is called a _______?
a particle that carries a positive charge is called a ______?
A _______ is a particle that does not carry a charge.
A ______ is a particle that carries a negative charge.
A spinning electron produces a _____________ that makes the electron behave like a tiny magnet in an atom.
what two particles are found inside the nucleus of an atom
proton and neutron
a grouping of atoms that have their magnetic fields aligned is known as a ________.
In a magnetized material, all or most of the ______________ are arranged in the same direction.
a material that shows strong magnetic properties is said to be a __________?
Magnets can be made, destroyed or _________ _______?
a magnet made from a material that easily loses it's magnetism is called a ____________?
a magnet made from a material that keeps it's magnetism for a long period of time is called ______________
Just like a bar magnet ____________ has a magnetic field surrounding it and two magnetic poles
What is a device that has a magnetized needle that spins freely?
the angle between the geographic north pole and the magnetic pole in the Northern Hemisphere to which a compass needle points is called the _____________?
Since Earth produces a strong magnetic field, Earth itself can make magnets out of ____________ ________
Earth's magnetic field affects the movements of the __________ _________ particles in space.
Between 1,000 and 25,000 kilometers above Earth's surface are two doughnut shaped regions called the __________?
Van Allen belts
A stream of electrically charged particles flowing at a high speed from the sun is called __________?
The region of Earth's magnetic field shaped by solar wind is called the ___________?
A glowing region in the atmosphere caused by charged particles from the sun is called an ____________?
The area of a magnet where the magnetic force is strongest is:
a magnetic pole
b. magnetic field
c magnetic field line
A magnetic pole
The negatively charged particles within atoms are:
An example of a ferromagnetic material is :
A compass works because its magnetic needle: a. contains atoms
b. contains charged particles
c. repels magnets
d. spins freely
d spins freely
A stream of electrically charged particles flowing from the suns is called the:
A. magnetic field
B. solar wind
C. Van Allen belts
B. solar wind
(this multiple choice question has been scrambled)
Magnetic field lines map out the magnetic field around a magnet.
True or False??
In an atom, the electrons and protons are located in the nucleus.
True or False?
False - protons and neutrons
A ferromagnetic material is a material like iron that has strong magnetic properties.
True or false?
A magnet that keeps its magnetism for a long time is called a temporary magnet.
True or false
False - permanent magnet
The region of Earth's magnetic field shaped by the solar wind is called the aurora
True or False?
false - magnetopshere