Vocabulary
Any type of force that causes objects to push away from each other
What is repulsion?
A __________ flowing through a wire is surrounded by an electric field.
What is a current?
In a magnet, opposite poles will ______________.
What is attract?
The relationship between electricity & magnetism
What is electromagnetism?
When your hair stands on end each strand repelling the other, you are experiencing this.
What is static electricity?
The full path length an object travels
What is distance?
The two types of charges in electric forces are ____________ and _______________.
What are positive and negative charges?
The magnetic field of a magnet is ________________ when further away from the magnet.
What is weaker?
To make an electromagnet stronger you can increase the current or add a greater number of these.
What are coils?
The type of force shown when a magnet causes a paperclip to move without touching the paperclip.
What is a non-contact force?
The definition of force
What is a push or pull?
The force between charged particles
What is an electric force?
A compass will always point in this direction if there is no magnetic field around it
What is North?
A motor, speaker, and hard drive are examples of these.
What are electromagnets?
The total sum or amount of forces on an object.
What is net force?
The definition of attraction
What is any type of force that causes objects to come together?
A region around charged particles where electric force is exerted on other charged particles or objects.
What is an electric field?
A magnetic field will always produce this
What is a current?
Increasing the number of loops in a solenoid, or the electric current, can increase what?
What is magnetic field?
The sun is the object in our solar system that has the strongest gravity because it has the most of this.
What is mass?
relating to the interrelation of electric currents or fields and magnetic fields
What is the definition of electromagnetic?
Electric fields always point towards these
What is a negative charge?
When electrons all spin in the same direction, they create an invisible force known as _____________.
What is magnetism?
This is a coil of wire with a current running through it
What is a solenoid?
A material that allows the movement of electrons in electricity.
What is a conductor?