Across
- 2. produces electric current by using the different chemical properties of metals.
- 6. energy transformed by a component is measured by its resistance.
- 7. any piece of material that produces a measurable magnetic field
- 9. want to cancel each other out.
- 10. each group of atoms exerts a force in the same direction.
- 11. differences in electric charge.
- 12. metal wire, charge is carried by electrons.
Down
- 1. A measure of the difference in energy across a circuit.
- 3. metals presented in the Earth´s core.
- 4. charged when gaining or losing some to other objects.
- 5. very high electrical resistance.
- 8. a circuit of electricity flow.