The Physical World

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Across
  1. 1. - the process by which rock is broken down into smaller pieces.
  2. 3. cycle - is the movement of water from Earth’s surface to the atmosphere and back.
  3. 6. deposition - a process in which rivers create floodplains by flooding their banks and deposit sediments along the banks.
  4. 7. energy - energy from the sun.
  5. 8. - regions close to the equator.
  6. 10. Wegener - proposed the theory of continental drift. He suggested that Earth’s continents were once a single supercontinent called the Pangea.
  7. 16. water - is water that is found in Earth’s stream, rivers, and lakes.
  8. 17. - earth’s complete trip around the sun for 365¼ days.
  9. 18. - are shapes on the planet’s surface, such as hills or mountains.
  10. 21. tectonics - a theory that suggests Earth’s surface is divided into a dozen or so slow moving plates, or pieces or earth’s crust.
  11. 22. - large areas of slow moving ice and in the ice of the Antarctic and Arctic regions.
  12. 23. - a short-term change in the air for a given place and time.
  13. 25. currents - large streams of surface seawater - move heat around Earth.
  14. 26. - weather patterns resulting from the earth’s changing position with regard to the sun. The four seasons are winter, spring, summer, and fall.
  15. 27. - is water that falls to Earth’s surface as rain, snow, sleet, or hail.
Down
  1. 2. - are the sudden violent movements of Earth’s crust.
  2. 4. - a region’s average weather conditions over a long period.
  3. 5. vapor - water occurring in the air as an invisible gas.
  4. 9. - a large landmass that is part of the Earth’s crust.
  5. 11. - magma that reaches Earth’s surface.
  6. 12. - one complete spin of earth on its axis.
  7. 13. - the place where two air masses of different temperatures or moisture content meet.
  8. 14. - water found below Earth’s surface.
  9. 15. winds - are winds that blow in the same direction over large areas of Earth.
  10. 19. - water without salt, makes up only about 3% of the total water supply.
  11. 20. of Fire - is a region around the Pacific plate that circles the Pacific Ocean.
  12. 24. - is the movement of sediment from one location to another.