A strong temporary magnet that uses electricity to produce magnetism.
What is an electromagnet?
100
Two areas on a magnet in which the magnetic force is the greatest.
What are magnetic poles?
100
This happens when you walk across a wool carpet wearing socks and then you touch a doorknob.
What is electrical discharge? (static electricity)
200
An electric charge that builds up on a material
What is static electricity?
200
A material that charged particles can move through easily.
What is a conductor?
200
A device that changes electrical energy into energy of motion.
What is a motor?
200
A magnet is placed next to another magnet and they are attracted. Sarah says this is the reason why.
What are unlike charges?
200
Lightning is a a form of this.
What is static electricity?
300
The charge that an electron carries.
What is negative?
300
Nicolai tested a material to see if it could conduct electricity. He used a simple circuit to do this. The bulb did not light. He determined his material was this.
What is an insulator?
300
Nick and Jeremy are talking about the Earth's magnetic poles. Jeremy explains that this part of the Earth is what creates the magnetic field.
What is the core?
300
The types of circuits in your home.
What are parallel circuits?
400
Two objects have this when they repel each other.
What are like charges?
400
Three parts included in a simple circuit.
What is a power source, a load, and a conductor?
400
Sam said he could think of two ways to make an electromagnet stronger. What are the two ways?
Increasing the number of coils and increasing the current moving through the coils.
400
Angelo says that this is the main difference between bar magnets and electromagnets.
What is the ability to be controlled (turned on and off)?
400
In an electric circuit, a switch is useful for this.
What is opening and closing a circuit.
500
Draw an atom- include the proton, neutron, and electron.
What is an atom?
500
Sydney was putting up a strand of lights in her room. When she plugged them in, they did not light up. Sydney, who knows a lot about circuits, determined the lights were this kind of circuit.
What is a series circuit?
500
Brandon made an electromagnet. He is able to turn it on and off by doing this.
What is completing the circuit?
500
Motors have these two things inside?
What are permanent magnets and electromagnets?
500
Kelsey was holding a wire that was running her vacuum cleaner. She knew she was safe because of this.