Key Concepts and other facts
A magnetic force can convert ____ energy stored in a magnetic field to ____ energy.
potential, kinetic
to move from one object to another or one place to another
transfer
____ of airplane _____ potential energy into the Earth-skydiver system
force, transfers
If an object has kinetic energy, what must it be doing?
moving
The energy used to move a magnet against a _______ force is stored as potential energy in the magnetic field.
magnetic
a set of interacting parts forming a complex whole
system
potential energy is stored in the ______ field between the skydiver and Earth
gravitational
Where is the potential energy used to move a magnet against a magnetic force stored?
magnetic field
Creating a ___ of a magnetic system and defining its parts helps scientists test and explain the relationship between force and energy.
model
an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
model
the gravitational force _____ potential energy into kinetic energy, and gives the diver _______
converts, speed
Which day had the most kinetic energy in the system after launch?
Wednesday
When the magnets move toward each other, they _____
attract
the energy that is stored in an object or system
potential energy
skydivers start their dives from _____.
airplanes
Moving an object against a _____ magnetic force transfer more energy to the magnetic field.
stronger
When the magnets move away from each other, they ____
repel
the energy that an object has because it is moving
kinetic energy
skydivers end up falling toward Earth's surface at speeds as high as _____ kilometers per hour
290
which side of the pole can the S pole of the magnet attract to?
N pole of the magnet