Across
- 4. protein
- 5. found in fruits and vegetables
- 10. swimming pools
- 12. sun and stars
- 13. toothpaste
- 14. make advertising signs light up brightly
- 15. eggs
Down
- 1. shells and bones
- 2. light bulbs
- 3. air
- 6. airplanes
- 7. salt
- 8. makes bones strong
- 9. batteries
- 11. sports equipment
- 12. put in balloons to make them float
