Sihyun.June.05

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Across
  1. 3. a force that pulls bodies towards one another
  2. 4. when the sea level rises and falls
  3. 6. the body that pulls on Earth
  4. 8. Some migratory birds spend the summer in Australia and New __________
  5. 9. Some migratory birds do this on the Korean mudflats.
Down
  1. 1. When the sea level rises, we say the tide is _____
  2. 2. when birds fly from one part of the world to another
  3. 5. When the tide comes in, the mud ____________
  4. 6. a wide, flat area along the coast
  5. 7. South Korea has important mudflats on the _____ coast