Vocab
Concepts
Energy
Magnets
Random
100
the ability to make things move or change
energy
100
Ramon puts two magnetic toy trains very close to each other on a track. What will happen next, and why? 
The trains will move away from each other because the magnetic force will push the trains apart.
100
The energy of movement
kinetic energy
100
The opposite ends of the magnet
magnetic poles
100
1. What primarily generates Earth’s magnetic field?
A. Electric storms in the atmosphere
B. Solar radiation interacting with the ozone layer
C. The motion of molten iron in the outer core
D. The rotation of Earth’s crust
C. The motion of molten iron in the outer core
200
to change from one type to another
convert
200
In a computer simulation, Jeffrey moves a magnet (Magnet 2) toward another magnet (Magnet 1) that cannot move. What happens to the potential energy in the system of magnets? 
The potential energy increases because Magnet 2 moves against the magnetic force.
200
Energy can be transferred from potential to kinetic when magnets __________, as seen in the launcher and spacecraft magnets
repel
200
The PE is the most when the magnet goes ______ the force.
Against or With
Against the force
200
What is the name of the region where Earth’s magnetic field is unusually weak?
A. The Equatorial Drift Zone
B. The South Atlantic Anomaly
C. The Pacific Magnetic Void
D. The Bermuda Gap
B. The South Atlantic Anomaly
300
set of interacting parts forming a complex whole
system
300
T/F
A single magnet is NOT a system
TRUE
300
Opposites ___________ and
Likes _______________
Attract, Repel
300
PE energy can be converted into ______ and can go back and forth.
Kinetic energy
300
How often have Earth’s magnetic poles reversed over geological time?
A. Dozens to hundreds of times
B. Only once, about 65 million years ago
C. Every 1,000 years
D. They have never reversed
A. Dozens to hundreds of times
400
the space around a magnet in which magnetic forces can act on objects
magnetic field
400
Based on the magnetic field line diagrams, what will happen next with these two sets of magnets? 
The magnets in Set 1 will repel, and the magnets in Set 2 will attract.
400
The energy that is stored
potential
400
If you break a magnet into two new magnets, will each magnet have a North and South Pole. True or False?
True
400
Which animal is known to use Earth’s magnetic field for navigation?
A. Giraffes
B. Penguins
C. Sea turtles
D. Koalas
C. Sea turtles
500
A push or a pull that can change the motion of an object
force
500
What poles attract?
opposite poles
500
A space ship is traveling through space. Suddenly its speed increases. What can you say about the spaceships KE?
KE increases
500
What is the strongest part of a bar magnet?
A. The center
B. The ends (poles)
C. The middle third
D. The entire magnet is equal
B. The ends (poles)
500
What natural phenomenon is caused by charged particles spiraling along Earth’s magnetic field lines?
A. Auroras
B. Volcanic lightning
C. Tides
D. Earthquakes
A. Auroras