Across
- 1. Speed in a stated direction
- 6. The solution used to test the presence of sugars such as glucose
- 9. The rate at which energy is transferred
- 14. angle The smallest angle at which total internal reflection occurs
- 16. The process where a substance changes from a solid to a gas
- 17. Loss of water vapor from a leaf
- 19. The system of using echo's to locate objects under the sea
- 20. The ion needed by plants to make chlorophyll
Down
- 2. The electrostatic attraction between positive nuclei and shared pair of electrons
- 3. An organism which causes diseases
- 4. A circuit component whose resistance changes with temperature
- 5. The alkaline substance produced by the liver which emulsifies fats and aids digestion
- 7. Atoms of the same element with the same number of protons but different number of neutrons
- 8. A substance which separates liquids using differences in their boiling points
- 10. The change in direction of a wave when it passes from one medium to another
- 11. The power house of the cell
- 12. number The elements in the periodic table are arranged in the order of
- 13. dioxide A giant structure of silicon and oxygen atoms
- 15. A carbohydrate used as energy storage in animals and fungi
- 18. The vessels in plants which transports water