Across
- 7. a slanted box
- 9. an angle of more than 90 degrees
- 10. a one-celled organism that may cause disease
- 13. an exact copy
- 15. a round object
- 16. a complete set of events that occur in order
- 20. the science of human society
- 21. the bottom half of a fraction
- 22. triangle with two equal sides
- 24. an unevenness of numbers
- 25. poisonous
- 26. a line touching a circle at one point
Down
- 1. something that changes
- 2. smallest amount allowed
- 3. a principle or law
- 4. a shaking or shivering
- 5. the scientific study of past life
- 6. instrument that shows direction
- 8. very important
- 11. the number of times an event occurs
- 12. straight up and down
- 14. equal
- 17. a drawing and measuring instrument
- 18. the outline of a figure
- 19. having balance
- 23. to twist or slant