Across
- 4. When an object has the same amount of positive particles and negative particles.
- 7. They connect the different parts of the circuit.
- 9. One of the possible circuit's source of energy.
- 10. Is needed to power lights and appliances.
- 13. They design electrical devices like cell phones, computers, and robots.
- 15. Can build up on an object, and be made to flow.
- 16. Small parts that make up matter.
- 17. The property of matter that causes electricity
- 19. One of the metals wires are made of.
- 20. When two objects push each other away.
Down
- 1. Is a build up of electrical charge.
- 2. When two objects pull at each other.
- 3. A build up of negative particles.
- 5. The most important invention of Edison.
- 6. occurs when static electricity moves from one object to another
- 8. Described as one of America's greatest inventor.
- 11. Is a path that is made of parts that work together to allow current to flow.
- 12. A flow of charged particles.
- 14. The type of energy that is on positively or negatively charged particles
- 18. Is the device that needs an electric current to work.