1.

2. Soap bubbles 3. Snowflake 4. Human brain section 5. Testosterone 6. Shaving cream with water 7. Penicillin 8. Cotton fiber 9. Little shrimp 10. Soy sauce 11. Agate 12. Worm with children 13. Caffeine 14. Little seastar 15. Drop of water on reflective material 16. Bee with pollen 17. Carrot 18. Vitamin C 19. Microchip 20. Beer bubble