Across
- 4. not positive; less than zero.
- 6. tools or machines that do a particular job.
- 7. the information shown on a measuring instrument.
- 9. paying attention and avoiding mistakes.
- 12. a container with chemicals that produces electricity.
- 15. finding out how big, long, heavy, etc. something is.
- 17. a device used to measure electrical potential difference.
Down
- 1. a point where you can connect wires to a battery or other device.
- 2. a thin piece of metal that carries electricity.
- 3. a tool for measuring things like electricity or gas.
- 5. a device used to measure the flow of electric current in a circuit.
- 8. correctly or in the right way.
- 10. likely to harm or hurt someone.
- 11. a path for an electric current to flow around..
- 13. a tool used to measure electrical resistance.
- 14. a set of numbers or marks showing measurements.
- 16. good or useful; more than zero.