Super Stars - Greek Roots (geo, therm, scope, meter, logy)

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Across
  1. 3. A tool used to measure temperature.
  2. 6. A device that controls temperature.
  3. 8. A device used to see over or around obstacles.
  4. 15. The study of how living things interact with each other and their environment.
  5. 16. A unit of length equal to one thousand metres.
  6. 19. A tool used to look at faraway objects in space.
  7. 20. A collection of traditional myths and legends.
Down
  1. 1. A gauge that shows how fast a vehicle is travelling.
  2. 2. The distance all the way around a shape.
  3. 4. The study of rocks, Earth and how it was formed.
  4. 5. A straight line that goes through the centre of a circle from one side to the other.
  5. 7. A unit of length equal to one thousandth of a metre.
  6. 9. An instrument used to measure air pressure.
  7. 10. The study of Earth's land, people and places.
  8. 11. Using heat from inside the Earth.
  9. 12. The study of animals.
  10. 13. A tool used to make tiny objects appear larger.
  11. 14. A hollow rock that contains crystals inside.
  12. 17. A prediction based on the positions of the stars and planets.
  13. 18. Relating to heat.