9y2 & 9x3 crossword puzzle
Across
- 3. organelle that controls the cell
- 4. cells that send signals
- 8. a positive ion
- 9. smallest type of cell
- 11. movement of water
- 12. element with 32 neutrons
- 14. rings of DNA
- 16. boron's atomic number
- 17. element with 48 protons
- 20. element with no neutrons
- 22. a charged atom
- 23. one type of atom
- 31. calcium's atomic mass
- 35. aluminium's atomic mass
- 36. organelle that does photosynthesis
- 37. can let some things through
- 38. element with 75 protons
- 39. a negative ion
- 40. ribosomes make...
- 41. potassium's atomic number
- 42. Ag is the symbol for...
- 44. intestinal cells have a high...
- 45. where chemical reactions occur
- 46. element with 83 electrons
- 47. all atoms want a...
- 48. element with 36 electrons
Down
- 1. sugar absorbed for respiration
- 2. W is the symbol for...
- 5. cells carry oxygen around the body
- 6. spreading out of particles
- 7. Organelle that releases energy
- 10. average mass of an element
- 13. cells that fight pathogens
- 15. cells that protect the lungs
- 18. plant and animal cells are both...
- 19. same element, different neutrons
- 21. electrons have a ... charge
- 24. cells that do loads of photosynthesis
- 25. another name for a cell tail
- 26. neutral subatomic particle
- 27. atoms that are chemically bonded
- 28. molecules not chemically bonded
- 29. cells that absorb water from soil
- 30. As is the symbol for...
- 32. element with 5 neutrons
- 33. movement against the gradient
- 34. positive subatomic particle
- 43. maximum electrons in the third shell