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Earth’s Water

Earth’s Water. EQ: What part does water in the atmosphere play in determining the world’s climatic patterns?. Meteorology . . . is the study of the entire atmosphere. When you ask, “Is it going to rain today?” you are asking a meteorological question.

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Earth’s Water

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  1. Earth’s Water EQ: What part does water in the atmosphere play in determining the world’s climatic patterns?

  2. Meteorology . . . is the study of the entire atmosphere. When you ask, “Is it going to rain today?” you are asking a meteorological question. The amount of water in the atmosphere determines weather patterns.

  3. Click on the correct answer. Meteorology is the study of meteors. True False

  4. Try again! • Click on image.

  5. Correct! • Click on happy face to continue.

  6. About 70 percent of Earth’s surface is covered with water. This water is found in oceans, rivers, lakes, under the ground, and as ice. 4.1 Water on Earth’s Surface

  7. All the water on Earth is part of a large system called the hydrosphere. Hydro means what? Right! WATER! Sphere means what? Right! Round shape! 4.1 The hydrosphere

  8. On Earth, water occurs in all three phases. The atmosphere is the layer of gases that surrounds the Earth. Like a blanket! 4.1 The hydrosphere

  9. What are the phases of water on Earth? • neon, phosphorus, and gas • plasma, solid, and liquid • solid, liquid, and gas

  10. Try again! • Click on image.

  11. Correct! • Click on happy face to continue.

  12. About 97% of Earth’s water is salt water found in oceans. If all the water on Earth could fit into a one-liter bottle, only 17 milliliters would be fresh water. 4.1 The distribution of water on Earth

  13. Surface water on Earth refers to water that collects on the ground (or the surface). This water includes oceans, lakes, rivers, streams, and reservoirs. A reservoir is a protected artificial or natural lake that is used to store water. 4.1 Places where water is found Reservoir

  14. A glacier is a huge mass of ice that forms on land when snow and ice accumulate faster than they melt. Most of Earth’s fresh water is in the form of glacier ice. 4.1 Places where water is found

  15. Groundwater is water that collects under ground. Some of the water on Earth’s surface moves down through the soil to the water table (the upper level of underground water). Water . . . Flat like a table! Get it? Good! 4.1 Places where water is found

  16. According to the chart, the largest percentage of fresh water is found as ________________. • surface water • frozen water • ground water

  17. Try again! • Click on image.

  18. Correct! • Click on happy face to continue.

  19. The temperature range on Earth’s surface is just right for water to exist in all three phases—liquid, solid, and gas. Water: unique to Earth

  20. We need water! • The human body is 60-75% water!

  21. The Water Cycle Key Q. – What are the phases of the water cycle?

  22. The water cycle is a continuous process that keeps water moving on the Earth. It is powered by energy from the Sun. 4.2 The Water Cycle

  23. The four main phases of the water cycle are evaporation transpiration condensation, and precipitation. 4.2 The Water Cycle The Sun, wind, weather, and gravity drive the water cycle.

  24. Evaporation occurs when liquid water is heated (like by the sun) and has enough energy to leave the liquid phase and become a gas. Water vapor is water in gas form. When a puddle dries up! 4.2 Water cycle processes

  25. Transpiration is the process in which plants lose water through tiny pores on their leaves. 4.2 Water cycle processes IN! OUT!

  26. Condensation occurs when water in its gaseous phase loses energy (cools) and becomes a liquid. Water molecules cool and slow down so much that they group and form droplets of liquid. Can happen anywhere! 4.2 The Water Cycle In the sky turns into clouds!

  27. Precipitation is any form of condensed water vapor in the atmosphere falling back to Earth. This includes rain, snow, sleet, and hail. 4.2 Water cycle processes What makes the precipitation fall back to Earth? Gravity!

  28. What are the four types of precipitation? Rain Snow Sleet Hail

  29. Rain

  30. Snow

  31. Sleet - frozen raindrops that bounce on impact with the ground

  32. Hail

  33. Hail – when water drops get blown around in the clouds, the drops freeze, (wind blows them back up) and each time they go up they get another layer of ice. Until they finally get too heavy and fall to Earth! Layers like an onion! Shrek?

  34. Percolation - • No, not making coffee or tea! • When water soaks through the soil and becomes part of underground water.

  35. Interactive water cycle • Now let’s see the water cycle in action! Open the link below, then click on “auto” to see the show! Explore the link. Then click the “x” to close and return to the lesson. Turn the volume down very low to not disturb others! • http://www.epa.gov/ogwdw000/kids/flash/flash_watercycle.html

  36. Using the diagram, the number 2 identifies which stage of the water cycle? • a. evaporation • b. precipitation • c. transpiration • d. condensation

  37. Try again! • Click on image.

  38. Correct! • Click on happy face to continue.

  39. Using the diagram, the number 3 identifies which stage of the water cycle? • a. evaporation • b. precipitation • c. transpiration • d. condensation

  40. Try again! • Click on image.

  41. Correct! • Click on happy face to continue.

  42. Using the diagram, the number 1 identifies which stage of the water cycle? • a. energy source • b. precipitation • c. transpiration • d. condensation

  43. Try again! • Click on image.

  44. Correct! • Click on happy face to continue.

  45. Using the diagram, the number 4 identifies which stage of the water cycle? • a. evaporation • b. precipitation • c. transpiration • d. condensation

  46. Try again! • Click on image.

  47. Correct! • Click on happy face to continue.

  48. If you do not feel confident that you understand the water cycle, please go through the PowerPoint again. • When you feel confident that you understand the water cycle, close the PowerPoint and keep working on your Score Card.

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