| A | B |
|---|
| watershed | area where water collects |
| groundwater | water in the ground |
| fertilizers | chemicals to help plants grow |
| pesticides | chemicals to make insects leave. |
| how much percent is fresh water for drinking? | 3% is drinking water. |
| how much percent is regular water? | 75% |
| pH measures... | th acidity or acholine and is 0-5 on the scale |
| nitrates are... | pesticides and fertilizers |
| phrosphates come from... | detergent or cleaning solution |
| extra algea is a sign of... | nitrates |
| deciduas trees | Ex: maple or oak |
| legend | key to a map |
| esker | gravel left behind from glaciers |
| orienteering | a sport when you can only use a compass and a map. |
| scale | a type of a key that shows the measure in real life compared to the map |
| countour line | a line representing the location of point at the same elevation on the top of the graph |
| contour interval | the distance between the contour line |
| magnetic north | (use a conpass to figure out) |
| true north | can tell direction from any given point of the north pole |
