Q. What is a key/legend? A. It is a box next to a map that has the sigs in it that are in the map and they tell you what they are. Q. How do you make a simple rain gauge? A. You need a funnel going into a bucket with measurements. Q. Where does water flow? A. Down, in gullys, Q. what is on the ground? A. life rocks Q. How hot, wet, windy and shady is it. A. very Q. What is under the ground? A. bedrock.