A coil of wire which produces a magnetic field when electricity flow through it.
What is an electromagnet?
100
List of the materials needed to make an electromagnet.
What is a Battery, coiled wire, metal core?
100
The energy produced when a coiled wire is spun around a magnet.
What is electrical energy?
200
To push or force apart.
What is repel?
200
A complete circuit through which electricity flows.
What is a closed circuit?
200
A substance through which electricity will flow.
What is a conductor?
200
The purpose of a simple motor is to transform electrical energy into what?
What is mechanical (kinetic) energy?
200
What happens when to the poles of a magnet when the magnet is broken.
What is each piece of the magnet will have a north and south pole?
300
A push or pull that makes something happen.
What is force?
300
An incomplete circuit through which electricity will not flow.
What is an open circuit?
300
A material that prevents the flow of electricity.
What is an insulator?
300
The largest magnet.
What is the earth?
300
Materials that are good conductors.
What are water and metals?
400
How permanent and electromagnets are the same.
What is they both attract to magnetic metals? What is they both have magnetic fields?
400
A device used to open and close circuits.
What is a switch?
400
A wire carrying an electric current in a circuit becomes hot. Which statement explains the energy transformation taking place in the wire?
What is electrical energy to thermal/heat energy?
400
If you add a toaster or stove to an electric circuit, electrical energy is converted into which type of energy?
What is Heat/Thermal Energy?
400
Materials that are good insulators.
What are wood, rubber, and air?
500
How permanent and electromagnets are different.
What is electromagnets are made of many parts and permanent magnets are not? What is an electromagnet can be turned off and on and a permanent magnet is always on.?
500
When a light bulb is connected to an electric circuit, electrical energy is transformed into light energy and __________?
What is thermal/heat energy?
500
An electric wire wrapped around an iron core that creates a magnet which can be turned on and off is called ____________________.
What is an electromagnet?
500
If you pick a book from the floor and place it on the shelf, energy is transferred to the book and stored in the form of energy
What is mechanical (kinetic) energy?
500
What to do to increase the strength of an electromagnet.
What is add more power, tight the coils or increase the number of coils?