Across
- 3. A greenish-yellow gas used for water purification.
- 4. The movement of particles from high to low concentration.
- 5. The process of cell division resulting in two identical daughter cells.
- 8. The flow of electric charge through a conductor.
- 10. A biomolecule essential for growth and repair in the body.
- 11. A transparent optical element that disperses light into colors.
- 13. The movement of water molecules through a semi-permeable membrane.
- 14. The element that forms the basis of organic life.
Down
- 1. The potential difference between two points in a circuit.
- 2. A closed path through which electric current flows.
- 4. The mass of an object per unit volume.
- 6. The band of colors formed when light is dispersed.
- 7. The preserved remains of ancient organisms.
- 9. A chemical messenger produced by glands in the body.
- 12. A sedimentary rock primarily composed of calcium carbonate.