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- 1. Multiple Choice
a set of interacting parts forming a complex whole
variables
isolate
system
attract
- 2. Multiple Choice
to push objects away from each other
repel
attract
system
energy
- 3. Multiple Choice
to pull objects toward one another
repel
attract
force
pole
- 4. Multiple Choice
the space around a magnet in which magnetic forces can act on objects
magnetic pole
magnetic force
magnetic field
magnet
- 5. Multiple Choice
the ability to make things move or change
magnetic field
magnetic pole
magnetic force
energy
- 6. Multiple Choice
the energy that an object has because its moving
energy
kinetic energy
potential energy
force
- 7. Multiple Choice
the energy that is stored in an object or system
potential energy
kinetic energy
energy
force
- 8. Multiple Choice
to change from one type to another
transfer
convert
potential
insert
- 9. Multiple Choice
to move from one object to another or one place to another
convert
transfer
insert
energy
- 10. Multiple Choice
one of the two opposite ends of a magnet
field
force
pole
energy
- 11. Multiple Choice
A magnetic ______________ can attract or repel an object at a distance.
force
pole
energy
field
- 12. Multiple Choice
In a system of magnets, there is a repelling force between ________ poles and an attracting force between __________ poles.
opposite, like
like, like
opposite, opposite
like, opposite
- 13. Multiple Choice
A magnetic force can convert potential energy stored in a ______________________ to kinetic energy.
magnet
magnetic pole
magnetic field
energy
- 14. Multiple Choice
The energy used to move a magnet _____________ a magnetic force is stored as ____________ energy in the magnetic field.
with, potential
with, kinetic
against, kinetic
against, potential
- 15. Multiple Choice
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 magnets are not touching.
The trains will move away from each other because the magnetic force will push the trains apart.
The trains will not move because the magnets are not touching.
The trains will move closer to each other because the magnetic force will pull the trains together.
- 16. Multiple Choice
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 does not change because the magnets in the system do not change.
The potential energy increases because Magnet 2 moves against the magnetic force.
The potential energy decreases because Magnet 2 moves against the magnetic force.
The potential energy decreases because Magnet 2 moves in the same direction as the magnetic force.
- 17. Multiple Choice
Cherise sets identical magnetic carts on two tracks. At the end of each track is a blue magnet that cannot move. Cherise can move the carts one space to the left or one space to the right. Which movement will result in the largest increase in potential energy?
Moving the cart on Track 1 one space to the right (→).
Moving the cart on Track 2 one space to the left (←).
Moving the cart on Track 2 one space to the right (→).
All these movements will result in the same change in potential energy because they each move a cart the same distance.
- 18. Multiple Choice
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.
The magnets in Set 1 will attract, and the magnets in Set 2 will repel.
The magnets in Set 1 will not move, and the magnets in Set 2 will attract.
In both sets, the magnets will attract.
- 19. Multiple Choice
Abdul moves a magnetic toy train away from a magnet that cannot move. What happens to the potential energy in the system of magnets during the movement?
The potential energy decreases because the train moves in the same direction as the magnetic force.
The potential energy decreases because the train moves against the magnetic force.
The potential energy increases because the train moves against the magnetic force.
The potential energy does not change because the magnets in the system do not change.
- 20. Multiple Choice
Lucia is playing with magnetic toy vehicles. She has two identical toy vehicles (purple and pink) that start on opposite sides of a center magnet that cannot move. She moves both vehicles one space closer to the center magnet.
a. How did the potential energy of the two vehicles change?
pink increased more
purple increased more
pink decreased more
purple decreased more
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