Across
- 3. Group of similar cells working together
- 6. A substance made of only one type of atom
- 10. Neutral particle in the nucleus
- 11. Path through which electricity flows
- 16. Allows electricity to flow through it
- 18. The push that makes electric current move
Down
- 1. Positively charged particle in the nucleus
- 2. Basic unit of life
- 4. Components connected one after another in a circuit
- 5. Where energy is released in a cell
- 6. Negatively charged particle in an atom
- 7. Needed to do work or cause change
- 8. Passing of traits from parents to offspring
- 9. Smallest particle of an element
- 12. Prevents the flow of electricity
- 13. Components connected on separate branches in a circuit
- 14. Controls the activities of a cell
- 15. Trait that helps an organism survive
- 17. Structure that carries genetic information
