Across
- 3. The connection is made with a metal wire, the charge is carried by electrons
- 5. ________________ are everywhere around us, The earths magnetic field is thought to be caused by the metal's present in the earth's core.
- 7. Originate within atoms, caused by difference in electrical charge
- 10. The movement of charge is called and electrical _________, the Electric _________ is measured in amperes
- 11. Tiny groups of atoms in certain metals align in a particular way, North end or South end, Another word for it is Dipole
- 12. A _________ does not actually contain stored electrical energy, They are also called ________ terminals
Down
- 1. A ______ is any piece of material that produces a measurable magnetic field in the space around it
- 2. They use energy available from the flow of current to do work
- 4. It is charged when it gains extra electrons or loses some of it's electrons to another object
- 6. The amount of energy transformed by a computer is measured by it's ______________
- 8. Materials with a very high electrical resistance - like those shown in figure 4.22 - are called ________
- 9. ____________ tend to want to cancel each other out or balance