Across
- 4. something that helps you breath
- 5. a knowledge that include topics as numbers
- 9. expression something that contians one variable
- 11. A figure with two rays with a common endpoint
- 12. energy a type of energy when something is moving
- 13. something that pumps blood through you body
- 14. A shape with oppisite equal acute angles
- 16. something that almost everything has
- 17. A thing to protect your eye from dust particles
- 19. something used for tasting,licking
Down
- 1. taking something from a number
- 2. a round plane figure
- 3. a circular movement in a direction shown
- 6. A place where your food go when you eat.
- 7. A small or tiny part,amount of something
- 8. the number of square units in side a figure
- 9. An angle that is greater than 0 and less than 90
- 10. the study of living organisms
- 15. A process of breaking down food
- 18. to solve a math problem