a magnet has 2 of these
What are poles?
made of iron,nickel or cobalt or a mixture
What is a ferromagnet?
positively charged part of atom
What are protons?
if a magnet floats freely
What is it will point north?
results in electricity
What is the movement of electrons?
magnet behavior if same poles are near
What is repel?
easy to magnetize but lose magnetization easily
What is temporary?
negatively charged particles
What are electrons?
a free floating magnet
What is a compass?
converts chemical energy into electric energy
What is a battery or cell?
the rule of magnetism
What is opposites attract?
difficult to magnetize but holds magnetic properties
What is a permanent magnet?
particles that have no charge
What are neutrons?
a result of Earth's magnetic field
What are the aurora borealis?
these objects move electricity well ( the word)
What are conductors?
What I get if I cut a magnet in half
What are 2 magnets?
created by electricity
What is an electromagnet?
the particles responsible for electricity and magnetism
What are electrons?
protects us from the Sun's charged particles
What is earth's magnetic field?
the rate at which charges pass a point
What is current?
A group of atoms with their fields aligned
What are domains?
a magnet where you can buy drinks
What is a bar magnet?
The 2 particles that make up the nucleus
What are protons and neutrons?
the liquid part of the Erath's core moves
What causes Earth's magnetic field?
converts light into electric energy
What is a photocell?