Across
- 2. type of large molecule made from many parts
- 5. neutral subatomic particle
- 9. biological natural catalyst
- 13. negative subatomic particle
- 15. high on the pH scale 8-14
- 17. changes one set of chemicals into another
- 20. an element with more neutrons that normal
- 21. type of bond where electrons are shared
- 22. uneven charges create this in a molecule like water
- 23. when water molecules stick to other water molecules
- 25. something that speeds up a reaction
- 27. stores energy long term
- 28. type of bond where oxygens and hydrogens connect
- 29. eat the to get quick energy
- 30. another name for a base
- 33. made when different elements are combined
Down
- 1. is lowered by enzymes to make reactions quicker
- 3. what is made after a reaction
- 4. positive subatomic particle
- 6. pure substance made of identical atoms
- 7. pH of 7 in the middle of the scale
- 8. element that is the start of all molecules in your body
- 10. made by two hydrogens and an oxygen
- 11. center of an atom
- 12. water can move upwards against gravity
- 14. is another name for your DNA
- 16. created by hydrogen bonds able to hold up small insects
- 18. the individual building block of a polymer
- 19. what you put into a reaction
- 24. when water molecules stick to different things
- 26. made for amino acids
- 31. smallest particle of matter
- 32. low on the pH scale 0-6