Vocabulary
Magnetic Force & Energy
Potential Energy & Magnetic Fields
True/False
Magnetic Forces
100
The region around the magnet where the magnetic force is exerted
Magnetic field
100
Name one material that magnet do NOT connect to?
glass, pennies, cardboard, paper.....
100
Like poles naturally _________ each other.
repel
100
A single magnetic field is produced by one magnet.
true
100
Gold is a type of metal. Does it attract magnets?
No
100
a push or pull that occurs when a magnet interacts with another object
Magnetic force
100
What happens when you place a pile of paperclips towards a horseshoe magnet?
they lift up and are magnetized
100
Potential energy of the system __________ when you apply a force to separate the two opposite poles.
increases
100
Two like poles attract each other.
False
100
What would happen if we did not have a magnetic field?
Cosmic rays would harm our bodies and could even damage our DNA, increasing worldwide risk of cancer and other illnesses.
100
the ends of a magnetic object where the magnetic force is strongest
Magnetic poles
100
What happens when you bring two opposite poles together?
attract
100
Once an object is magnetized invisible arrows will point in on single direction or different directions?
one single direction
-----> -----> ----->
-----> -----> ----->
100
Earth does not act like a large magnet.
false
100
Why is the magnetic field important to sustain life on Earth?
It is important because it helps to deflect most of the solar wind, whose charged particles would otherwise strip away the ozone layer that protects the Earth from harmful ultraviolet radiation.
200
The force of attraction or repulsion of magnetic materials
Magnetism
200
How can you make a temporary magnet?
by rubbing an object that is not a magnet such as an iron nail onto a pole of a magnet.
200
Are you able see magnetic fields?
No
200
Magnetic field lines cross one another.
false
200
How do you know if the magnetic force between two objects will be a push or a pull?
A magnet always exerts a pull on a magnetic object that is not itself a magnet.
300
The different ways that living things communicate with, act toward, and influence each other
Interaction
300
Name 4 materials that magnets attract to?
iron, nickel, cobalt, & steel
300
The field is strongest when ________________.
when the lines closest together.
300
There is a very little stream that flows from the sun towards Earth.
False
300
Draw the magnetic field lines around this iron nail.
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