Across
- 4. a system of calculating rates of change
- 6. maths letters stand for unknown numbers
- 8. one who studies the nature of life,
- 9. the act of being in charge of something
- 11. all matter and energy
- 13. to make special or honour with gifts
Down
- 1. the act of solving a problem
- 2. of or having to do with the moon
- 3. billions of stars held together by gravity
- 5. person who works in some branch of science
- 7. that shows two quantities are equal
- 10. maths concerned with shapes &objects
- 12. to pay no attention to