Science Vocabulary Review

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Across
  1. 2. clouds that form in flat layers and often cover much of the sky- usually mean rain or snow
  2. 5. a short term climate change that occurs every two to ten years
  3. 8. a flow of air or water in a certain direction
  4. 9. the process by which water molecules of water vapor in the air become liquid water
  5. 10. the process by which water changes from liquid form to an atmospheric gas
  6. 11. wispy, feathery clouds made of ice crystals that form at high levels- usually mean fair weather or a change in weather
  7. 12. tissues that work together to perform a specific function
  8. 13. the falling to earth of any form of water (rain, snow, sleet, hail)
  9. 15. a group of structures that work together to perform a specific function or task
  10. 17. a type of cumulus cloud that is tall and gray, and associated with thunderstorms
  11. 20. an imaginary line around the Earth parallel to the equator
  12. 21. the basic unit of life; the smallest living part of the body
  13. 22. a mass of sinking cold air that usually bring fair weather
  14. 26. the condition of Earth’s atmosphere at a particular time and place
  15. 27. forms when a cold air mass pushes a warm air mass; thunderheads can form followed by cool, fair weather
  16. 28. a mass of rising warm air that usually brings wet, stormy weather
  17. 30. a body of air that has about the same temperature and moister throughout
  18. 31. a large group of cells that all have the same purpose or function
  19. 32. rain, snow melt, or other water that flows in surface streams, rivers, or other bodies of water
  20. 33. the boundary between two different air masses
  21. 34. a warm ocean current that flows from the Gulf of Mexico northward through the Atlantic Ocean
  22. 37. the average weather conditions in an area over a long period of time
Down
  1. 1. the amount of water vapor in the air
  2. 3. the process by which plants release water vapor into the atmosphere
  3. 4. system (of nerves) in your body that sends messages for controlling movement and feeling between the brain and the other parts of the body
  4. 6. system that breaks down food into a form that can be used by the body
  5. 7. a high-speed high-altitude airstream blowing from west to east near the top of the troposphere; had important effects of the formation of weather fronts
  6. 8. thick, fluffy clouds with flat bases, formed by vertically rising air currents, usually mean fair weather
  7. 14. global winds in the United States that constantly blow from west to east
  8. 16. system that helps support and move the body and protect some of the organs
  9. 18. composed of many cells
  10. 19. system that transports materials such as food, and oxygen to the cells throughout the body
  11. 23. on of the halves of the earth as divided by the equator
  12. 24. system used to bring in oxygen for the body to use and to take away carbon dioxide
  13. 25. composed of one cell
  14. 29. a front where warm air moves over cold air and brings drizzly rain and then are followed by war and clear weather
  15. 35. an imaginary line around the Earth forming the great circle that is equal distance from the north and south pole
  16. 36. system that controls all movement in the body