Terminology

3. energy caused by the movement of electrons
4. an atom or molecule with a net electric charge due to the loss [of] electrons
7. one of the two ends of a magnet where the magnetism seems to be concentrated
11. temporary magnet that loses its magnetism when the electric current is turned off
12. a flow of charged particles, such as electrons or ions, movi[ng through a] conductor or space
13. an instrument for detecting and measuring small electric currents
14. a state where an object or particle has an excess of electrons
15. a machine that converts mechanical energy into electrical energy

1. a wave that consists of oscillating electric and magnetic field[s] at the speed of light
2. a form of energy caused by the movement of electrons
5. a material or an object that does not easily allow heat, electri[city] pass through it
6. more protons than electrons
8. a material that allows heat and electricity to pass through it
9. to send out rays; to beam or shine
10. the force of attraction or repulsion of magnetic materials