Across
- 2. created when something vibrates and sends waves of energy to our ears
- 4. can’t be destroyed or created
- 5. material which do not allow energy to flow through
- 7. a circuit without any interruptions
- 9. a circuit with an opening, a interruption
Down
- 1. material which allows energy to flow through
- 3. a flow of electrical charges through a path
- 6. Smallest, tiniest, little unit of ordinary matter that forms a chemical element
- 8. a object that changes the flow of an electrical circuit