Across
- 2. a device that stores energy as a chemical until it is needed, a single unit
- 3. how electric current is measured
- 7. the difficulty that the electric current has when flowing around a circuit
- 9. the flow of electrons measured in amps
Down
- 1. the force that makes the electric current move through the wires
- 4. a visual picture that stands for something else
- 5. a path that an electrical current can flow around
- 6. a collection of cells
- 8. very small particles that travel around an electrical circuit