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Freshwater quiz review 2016 The area of land where water drains into a common river is called a ____________. Watersheds are separated by hills and valleys. An example is the continental divide. These features are called ___________. An underwater reservoir of water above rock or in between rock is called a/an __________. Materials that allow water to easily pass through are called __________ layers. Materials that do not allow materials to pass through easily are called ___________ layers. Water underground enters through cracks and openings in the soil called ________. What is the most prevalent material found in a saturated zone? Where is the water table located? What materials would you find in the saturated zone of soil? • A. air pebbles and sand • Air rocks soil and clay • Gravel clay and sand • Gravel water soil and rocks What percentage of earth’s water is salt water? What percentage of water is freshwater? Most freshwater is __________ in the polar icecaps. This type of river has steep banks, no floodplain, a straight path, and a very fast flow. This river has gently sloping banks, a large floodplain, and large meanders. This river does not have as steep banks, a small floodplain, and slight meanders. Can you label the parts of the water cycle? • Condensation • Percolation/infiltration • Precipitation • Runoff • Transpiration • Powers the water cycle • evaporation A stream is likely to deposit rock and soil that it is carrying when • A. it carries many tributaries • B. its volume decreases • C. its current slows • D. it has a steep gradient If a stream has a high discharge it has energy to carry ________ particles. Where do lakes form? How do aquifers get replenished? What two elements make up water? Where would you need to drill a well to get water out of the well? How has the amount of water on earth changed over our life? Water always flows ____________. What type of well needs a bucket to pull water up? What kind of well works under pressure and does not need to be pumped? If you have a container with rocks, and you pour water into the bottom half, where would the water table be found? Know these parts Rivers move a great deal of material. The faster the water moves, the _________ material can be carried down a stream. How long do you think it took for form the Grand Canyon? The lower or downstream portion of the river is at its deepest, __________, and _______ speed. The It also has the ____________ volume and a very gentle ________. Erosion is greater on the _______ of the bend of a river. Depositon is greater on the _________ of the bend of a river. The deposit from an alluvial fan is on the ______. The deposit from a delta is on the ________. We live in what waterhed? What are the three types of loads? • How do these loads look?