Blue Crossword Week 17

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Across
  1. 3. A book about someone’s life.
  2. 4. A unit of length equal to 1,000 meters.
  3. 6. A tool that makes tiny things look bigger.
  4. 7. The study of animals.
  5. 8. Related to heat or warmth.
  6. 11. A tool that lets people see over or around things.
  7. 15. The study of Earth’s land and places.
  8. 16. The study of where words come from.
  9. 17. A tool that measures temperature.
  10. 18. A tool that measures air pressure.
  11. 19. A straight line across a circle through the center.
  12. 21. A container that keeps drinks hot or cold.
Down
  1. 1. A book someone writes about their own life.
  2. 2. A tool that shows how fast something is moving.
  3. 5. The distance around a shape.
  4. 6. The study of old stories and legends.
  5. 9. The study of rocks and Earth.
  6. 10. The study of shapes and space.
  7. 12. A very small unit of length.
  8. 13. Heat that comes from inside the Earth.
  9. 14. A device that controls temperature.
  10. 20. A tool that helps people see faraway objects.