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Hydrology Midterm Online Study Guide

Hydrology Midterm Online Study Guide. By: Skyler. 1. What is A Polar Molecule?. A molecule that is found in the North Pole. A molecule that makes up a polar bear. A molecule with electrically charged areas. Answer: C. What is Water’s chemical makeup?. CO2 H2O Chlorine. Answer: B.

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Hydrology Midterm Online Study Guide

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  1. Hydrology Midterm Online Study Guide By: Skyler

  2. 1. What is A Polar Molecule? • A molecule that is found in the North Pole. • A molecule that makes up a polar bear. • A molecule with electrically charged areas. Answer: C.

  3. What is Water’s chemical makeup? • CO2 • H2O • Chlorine Answer: B.

  4. What is Capillary Action? • The attraction of water with water. • A caterpillar in action. • The attraction of water on itself and with another substance. Answer: C.

  5. What is Surface Tension? • Tightness across the surface of water caused by polar molecules pulling on each other. • Tightness in your face caused by stress. • When the all of the fish that live in the ocean swim up to the surface. Answer: A.

  6. Define Specific Heat. • The measure of how hot it gets. • The amount of heat needed to increase the temperature of a certain amount of a substance. • The temperature you usually have set at your house. Answer: B.

  7. How much of our water is Salt and how much of it is Fresh? • 50% Salt and 50% Fresh • 3% Salt and 97% Fresh • 97% Salt and 3% Fresh Answer: C.

  8. Where is the majority of our fresh water stored? • In rivers and streams. • Underground. • In glaciers and polar ice caps. Answer: C.

  9. Describe the following: Evaporation, Condensation, and Precipitation. • Evaporation: water is heated and turns into water vapor, Condensation: Water vapor cools down into ice and falls to the ground, and Precipitation: Ice melts and the water cycle starts all over again. • Evaporation: water is heated and turns into water vapor, Condensation: water vapor cools and forms water droplets, and Precipitation: water drops fall as rain or snow. • Evaporation: the beginning of the water cycle, Condensation: the middle of the water cycle, and Precipitation: the end of the water cycle. Answer: B.

  10. True or FalseThe Hydrogen atoms in an Water molecule are negatively charged. • True • False Answer: B.

  11. Why is water known as the universal solvent? • It cannot dissolve anything. • We use it in our everyday lives. • It can dissolve almost anything. Answer: C.

  12. Define Watershed. • A shed that holds water. • An underground storage place for water. • The area of land over which the water traveled to reach the mouth of the river. Answer: C.

  13. A Reservoir is… • A dammed river that holds a pocket of water for people to use. • A natural pond filled with waste and debris. • A back-up hard drive for your computer if it crashes. Answer: A.

  14. What is Brackish water? • Water that is full of fish called Brackish. • Dirty, muddy water. • Fresh water mixed with salt water. Answer: C.

  15. A Topographic map supplies… • An image of city and county limits. • An image of the earth’s surface. • An image of the ocean floor. Answer: B.

  16. What are Contour Intervals? • The change in elevation between the contour lines. • The line on a topographic map that connects locations that are the same distance above sea level. • The height of an object above sea level. Answer: A.

  17. If Ph is the measure of how acidic or basic water is, than what is considered a healthy Ph? • 0 • 14 • Around 7 Answer: C.

  18. What are Bio-Indicators? • Pointers and clues that are given to you on a Biology test. • Organisms or parts of organisms that are used to assess ecosystem health. • Man made products that are placed in aquatic ecosystems to test the level of nitrates. Answer: B.

  19. What is the best example of thermal pollution? • Factories running water through their machines to cool them off and returning the heated water to its original place. • Boiling water to make spaghetti and stream rising up into the atmosphere. • Building a fire outside therefore poisoning Earth’s oxygen with smoke. Answer: A.

  20. Congratulations! Add up your scores and see who knows the most about Hydrology.

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