Across
- 3. two atoms in a molecular compound that are the same element
- 6. reaction that occurs when an acid and base react to produce water and a salt
- 8. where two identical sister chromatids join together
- 9. contains all of a cell's genetic material
- 12. side of a mountain range that will likely be dry
- 14. organ that pumps blood throughout the body
- 18. transport that does not require extra energy
- 20. parallel light rays converge through a single point after they travel through the lens
- 25. the bending of light when it passes into a new medium
- 27. where gas exchange occurs in plants
- 28. reaction that takes place in chloroplasts to produce sugar and oxygen
- 29. single celled life forms without a nucleus or membrane-bound organelles
- 30. the angle between the incoming ray and the normal line
- 31. number of aortic arches an earthworm has
Down
- 1. using tree rings to give information about past climate patterns
- 2. interferes with the function of neighbouring cells
- 4. the movement of tumor cells to a new location
- 5. when the reactant is a single compound and the products are elements or simpler compounds
- 7. class of drugs that is often used as a cancer treatment
- 10. type of bond that forms when two non-metals share electrons
- 11. all energy which drives weather and climate
- 13. overall circulation of warm surface currents and cold deep currents
- 15. the wavelength with the lowest frequency
- 16. occurs when sister chromatids line up in the middle of a cell
- 17. the movement of a solute down a concentration gradient
- 19. controls the amount of light entering the eye
- 21. the wavelength we can see
- 22. type of bond where electrons are transferred from one atom to another
- 23. potent greenhouse gas
- 24. reaction where two elements combine to form a compound
- 26. the ability of a surface to reflect light