What is a magnet?
How do you increase the power of an electromagnet?
What is wrap more wire around the object?
Electromagnets in motors are used to produce? A. Circuits B. heat C. Motion D. Light
What is "motion"
A flow of electrons is called what?
What is "current"
A material that does NOT allow electric current to flow through is what?
What is " insulator"
A material that gives opposition to (or slows) a flow of electric current is
What is "resistor"
The space near a magnet where magnetic forces act?
What is " magnetic field"
Electric current passes easily through a? A. Resistor B. conductor C. Insulator
What is "a conductor"
When charges are separated (rubbed off) which charge moves?
What is "a negative charge" or the electron
An amount of electricity caused by having too few or too many electrons is what? A. Charge B. field C. Insulator
What is a (positive or negative) charge?
A material that readily allows electric current to flow?
What is " conductor"
Name the three parts of an atom and give their charges.
What is proton (positive), neutron (neutral), and electron (negative)?
A magnet formed by a current passed through a wire coiled around a core magnetic material is what?
What is a electromagnet
The earth has this because of its moving metallic outer core.
What is a magnetic field/shield?
The space near a magnet where magnetic forces act is called what?
What is "magnetic field"
A magnet is attracted to which of the following? A. Copper penny B. paper clip C. Piece of cloth D. Rubber band
What is "paper clip"
Copper is a good one of these for electricity?
What is conductor?
A path for electric current is what?
What is "circuit"
A region of magnetic material in which the magnetic fields of the atoms all point the same direction
What is a magnetic domain?