Across
- 4. This device allows you to see incredibly tiny things.
- 5. If I cut a circle in half I am measuring its ______.
- 7. Hercules is a character from Greek _______.
- 10. A book written about someone by themselves.
- 14. The study of the origin of words
- 15. This is a book written about someone important.
- 17. The total distance added up around a shape.
- 18. This can help you see far away things like the stars.
- 20. This measures the speed of a vehicle.
- 21. There are 1000 of these in a meter.
- 22. This device is how you see in a submarine.
- 23. Heat energy from the Earth.
Down
- 1. This device measures air pressure.
- 2. This is a scientific term for heat.
- 3. The scientific study of living things.
- 6. This is the scientific study of animals.
- 8. You can use this container to keep your lunch warm all day.
- 9. This can be used to control the temperature indoors.
- 11. 1000 meters.
- 12. The mathematical study of shapes.
- 13. This measures the temperature.
- 16. Mountains are a form of physical ______.
- 19. This is the study of the Earth and its processes like volcanoes and earthquakes.