Across
- 1. The internal heat of the earth.
- 5. An instrument used to magnify smaller objects.
- 9. The study of animals.
- 10. The study of myths.
- 11. The study of different organisms (biological term)
- 12. An instrument used to look at the stars.
- 14. Used to listen to the heart or breathing, especially by doctors.
- 15. An instrument in a car to indicate speed.
- 16. A branch of mathematics.
- 19. The study of the earth.
- 21. Used on submarines to view above the surface of the water.
- 23. Used to measure the temperature.
- 24. Used to measure atmospheric pressure, to predict weather conditions.
Down
- 2. A forecast of a person's future.
- 3. The outside boundary of an area or object.
- 4. 1000 meters.
- 6. The straight line passing through the middle of a shape, especially a circle.
- 7. 10 of these make a centimetre.
- 8. The study of the history of words.
- 13. The science of the physical structure of the earth.
- 17. A device to regulate the temperature.
- 18. A flask used to keep liquid or food warm.
- 20. Relating to heat.
- 22. A rock lined with crystals.