Across
- 2. 46 chapters in our body
- 5. Literally 4 letters alphabet
- 7. Our class topic
- 9. Something related to atoms
Down
- 1. Everything
- 3. Best science teacher
- 4. The screwdriver that can stretched
- 6. The book cover
- 7. The leader of protein
- 8. one of the construction that build by something that related to atoms