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| To assume based on pior knowledge |
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| An area where all the water drains into one body of water |
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| Water (rain) that does not sink into the ground |
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| Found in lakes, rivers, streams |
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| When sediment is moved by water, wind, or ice |
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| A body of water, where fresh and salt water mix |
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| A body of water that empties into a larger body of water |
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| Man made pond that holds storm water |
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| Propose of Retention Ponds |
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1. Trap sediment
2. Traps storm water and let's It sink into the ground
3.Prevents Storm water from eroding streams |
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| The nations largest estuary |
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| two Theory of the chesapeake bay's creation |
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1. meteorite hits earth and creates bay
2. Glaciers melt and the Susquehanna river valley is flooded |
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| The word Chesapeake means? |
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| Explored the bay in the 1600s |
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| The bay's watershed is x many miles long |
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| Name the six states in the Chesapeake Bay watershed |
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| New York, Pennsylvania, Maryland, Delaware, West Virginia, Virginia |
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| Fresh and salt water mixed |
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| Souces of pollution that are easy to see |
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| Types of point source pollution |
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| Smokestacks, pipes from large industrial factories |
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| A point source pollution is easier to see true or flase |
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| Pollution source that is harder to see |
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| Types of non-point sources |
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| accid rain, fertilizers, pestisides, and trash |
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| True or false non-point source pollution is harder to regulate |
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| Droplets of water and chemical polloutents mixed |
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| Smoothers oyster beds and fish eggs |
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| Main functions of a marsh |
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1. Acts as a nursery
2. Food for birds
3. Prevents flooding
4. Filters water |
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| How does a marsh filter water |
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| A wetland filters water by using the tall plants to stop garbage and sediment |
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| How does a marsh minimize the effects of erosion |
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| Protects the shoreline by using tall plants and roots to stop the water |
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| What does a marsh provided for migratory birds |
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| Salinity is the saltiness of the water |
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| How is Salinity measured? |
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| Salinity is measured in points per thousand (ppt) |
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| What is the range of salinity in the bay? |
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| What are the three factors that effect salinity? |
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1. Depth of water
2. time of year
3. Location |
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| What does salinity decied for organisms? |
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| True or false fresh water is heavier than salt water |
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| True or false salt water is lower in the water than fresh |
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