
HUMOR: ON THE FUN SIDE
1. Word Search (see Appendix for master copy)

Words about the concepts in this module can be obtained from the clues given. Find these words in the block of letters:
1. A green plants pigment.
2. Soil bacteria can oxidize ammonia to this substance.
3. This gas is a product of photosynthesis.
4. ______ effect, warming trend possibly due to trapping of infrared radiation by atmospheric gases.
5. The more usable form of a gaseous substance, e.g., nitrogen.
6. This process combines N 2 and H 2 to form ammonia.
7. Adjective describing water that contains appreciable amounts of dissolved calcium and magnesium salts.
8. Cellular reaction involving conversion of sugar and oxygen into carbon dioxide and water.
9. The lithosphere is this part of our planet.
10. This allotrope of oxygen protects us from harmful ultraviolet radiation.
Answers: 1. CHLOROPHYLL 2. NITRATE 3. OXYGEN 4. GREENHOUSE
5. FIXED 6. HABER 7. HARD 8. RESPIRATION 9. SOLID 10. OZONE
( See cartoons at end of module.)