7.1 CW 2

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Across
  1. 4. heat energy that causes changes in water’s state and drives the water cycle.
  2. 5. the continuous movement of water on, above, and below Earth’s surface.
  3. 8. water that falls from the atmosphere to Earth’s surface as rain, snow, sleet, or hail.
  4. 13. water found on the surface of Earth, such as rivers, lakes, and oceans.
  5. 14. the amount of open space between soil or rock particles where water can be stored.
  6. 15. all the water on Earth, including oceans, lakes, rivers, groundwater, and glaciers.
  7. 16. the layer of gases surrounding Earth.
  8. 18. the process when water vapor cools and changes back into liquid, forming clouds or droplets.
  9. 19. an area of land where all the water drains into the same river, lake, or other body of water
  10. 20. rain that contains harmful chemicals from pollution, which can damage water, soil, and living things.
  11. 21. the presence of harmful substances in water, soil, or air that make it unsafe.
  12. 24. the process when plants release water vapor from their leaves into the atmosphere.
  13. 25. the shape and features of the land surface, such as hills, valleys, and slopes.
  14. 26. characteristics of soil, like texture and composition, that affect how water moves through it.
Down
  1. 1. the different forms in which matter exists: solid, liquid, or gas.
  2. 2. water that is stored underground in soil or rock layers.
  3. 3. harmful substances added to air, water, or land that negatively affect living things.
  4. 6. the process of water soaking into the ground.
  5. 7. all living things on Earth, including plants, animals, and humans.
  6. 9. the process of wearing away rocks and soil by wind, water, or ice.
  7. 10. how easily water can flow through spaces in soil or rock.
  8. 11. the way rivers and streams collect and move water across land.
  9. 12. water that flows over the land surface into rivers, lakes, or oceans.
  10. 17. the process when liquid water absorbs heat and changes into water vapor (gas).
  11. 22. the solid outer layer of Earth, including rocks, soil, and landforms.
  12. 23. the force that pulls objects toward Earth and helps drive the movement of water in the cycle.