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Magnetism

Gr. 6 - Magnetism

QuestionAnswer
What is any material that attracts iron and materials that contain iron? Magnet
What is the attraction or repulsion of magnetic material? Magnetic Force
What direction will part of a magnet always point? North
Will unlike poles attract or repel each other? Attract
Will like poles attract of repel each other? Repel
What is the area of magnetic field around a magnet called? Magnetic Fields
Where is the magnetic field strongest? The Poles
What are invisible lines that loop from pole to pole without crossing? Magnetic Field Lines
When magnetic fields of two or magnets overlap do they create weaker or stronger magnetic fields? Stronger
What is the smallest particle of an element? Atom
What is the center region of an atom called? Nucleus
What particle carries a positive charge? Proton
What particle carries a negative charge? Electron
What particle carries no charge? Neutron
What type of electron produces a magnetic field that makes the electron behave like a tiny magnet? Spinning
What is a grouping of atoms that have their magnetic fields aligned? Magnetic Domain
Are the domains in a magnetized material pointing in the same or random directions? Same
Are the domains in a non magnetized material pointing in the same or random directions? Random
What do you call a material that shows strong magnetic characteristics? Ferromagnetic
What are examples of natural ferromagnetic materials? Iron, nickel, cobalt, and gadolinium
What is a magnet that easily loses its magnetism? Temporary
What is a magnet that keeps its magnetism for a long time? Permanent
What can destroy a magnet? Heat or Strike
What device has a magnetized need that spins freely and usually point north? Compass
What is the angle between geographic north and the north to which a compass needle points? Magnetic declination
Magnetic declination changes depending on your ____________. Location
Since Earth produces a strong magnetic field, Earth itself can make magnets out of ____________________ materials. Ferromagnetic
The Earth's magnetic stripes on the ocean floor change ___________, showing that the magnetic field has changed. Direction
What are the doughnut-shaped regions that contain fast moving protons and electrons above Earth's surface? Van Allen belt
What is a stream of electrically charged particles flowing at high speed from the sun? Solar Winds
What is the region of Earth's magnetic field shaped by the solar wind? Magnetosphere
What is the glowing region in the atmosphere caused by charged particles from the sun? Aurora
What is the aurora borealis called? Northern Lights
What is the aurora australis called? Southern Lights
Created by: kpmueller