5 Written Questions

1. force that causes moving objects to slow down
2. pollution that comes from a specific site
3. amount of water that a stream or river carries in a given amount of time
4. the process by which wind, water, ice or gravity transports soil and sediment from one location to another
5. path that a stream follows

5 Matching Questions

1. stalagmites
2. dissolved exygen
3. dripstone column
4. stalactites
5. phytoplankton

1. a water drips long enough, the stalactites and stalagmites join
2. b sharp, icicle-shaped features that form on cave ceilings
3. c oxygen dissolved in water
4. d water that falls to the cave's floor adds to cone-shaped features
5. e abnormally high concentrations, microscopic plants

5 Multiple Choice Questions

1. percentage of the total volume of a rock or sediment that consists of open spaces
   1. turbidity
   2. erosion
   3. deposition
   4. porosity
2. rock that stops the flow of water
   1. water cycle
   2. impermeable
   3. water table
   4. permeability
3. when roof of the cave collapse, which leaves a circular depression
   1. sinkhole
   2. divide
   3. friction
   4. discharge
4. pollution that comes from many sources rather than from a single, specific site
   1. point-source pollution
   2. nonpoint-source pollution
   3. thermal pollution
   4. dripstone column
5. rain, snow, sleet, or hail that falls from clouds onto the earth's land and oceans
   1. evaporation
   2. friction
   3. precipitation
   4. percolation

5 True/False Questions

1. water table → upper surface of underground water; the upper boundary of the zone of saturation

   True        False

2. rivers → boundary between drainage areas that have streams that flow in opposite directions

   True        False

3. divide → when streams become longer and wider

   True        False

4. thermal pollution → increase in water temperature

   True        False

5. sewage treatment plant → facility that cleans the waste materials found in water that comes from sewers or drains

   True        False