Two like magnetic poles will...
What is repel?
A ________ force can attract and repel objects at a distance.
What is a magnetic force?
Potential energy created by Earth's gravity is called
What is gravitational potential energy?
A magnetic force can convert potential energy stored in a magnetic field to __________.
What is kinetic energy?
The energy used to move a magnet against a magnetic force is stored as potential energy in the ________ ______.
What is the magnetic field?
Creating a model of a magnetic system and defining its parts helps scientists test and explain the relationship between force and ______.
What is energy?
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?
What is the potential energy increases?
Moving a magnet against a stronger magnetic force transfers ____ energy to the magnetic field.
What is more?
The space around a magnet in which magnetic forces can act on objects
What is a magnetic field?
A type of magnet in which the magnetic field is produced by an electric current.
What is an electromagnet?
Lin sets identical magnetic carts on two tracks. At the end of each track is a blue magnet that cannot move. Lin can move the carts one space to the left or one space to the right. Which movement will increase the potential energy in the system the most?
What is to the right because it will move the cart AGAINST the magnetic field?
Earth's magnetism is created by...
What is Earth's liquid outer iron core running over Earth's solid inner iron core
In a system of magnets, there is a _______ force between like poles and an ________ force between opposite poles
What is repelling and attracting?