Science Test Study Guide Stream System ***** Study all vocabulary on the back of this sheet ***** Can you answer these questions? 1. What is the triangular shaped land at the mouth of a river called? 2. What are the deep, steep, walled gorges formed by glaciers many years ago called? 3. What is the speed at which a stream flows called? How does the speed of flowing water in a stream affect erosion? 4. What is a bird’s eye perspective called? 5. How does the slope of the land affect the amount of erosion that takes place? 6. Why doesn’t the water we collect from our stream tables always look the same? 7. What are glaciers? 8. What is a reservoir? 9. What is hydroelectricity? 10. In what ways do rocks and hills affect the flow of water the same as dams? In what ways do rocks and hills affect the flow of water differently from dams? Can you label all the parts of this stream?