Mammoth On Ice

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Across
  1. 2. the use of radio waves to track the location, distance, and speed of faraway objects.
  2. 5. a very large extinct mammal closely related to elephants.
  3. 7. a person who works in or studies a science.
Down
  1. 1. a deep, narrow ditch.
  2. 3. a thick, strong rope made of steel.
  3. 4. a long, strong piece of wood or metal that supports parts of a building
  4. 6. a long, large, pointed tooth that sticks out from the mouth of some animals.