Across
- 1. A state of matter without definite shape and volume
- 3. A mixture of gases that we breathe
- 6. Anything that has mass and volume
- 8. A push or a pull
- 10. Equal length of day and night
- 11. An item designed to be thrown, caught, and kicked
- 12. A durable and easily gripped material
- 14. Something used for grip and making a football spiral
- 15. A state of matter with no definite shape and a definite volume
- 16. A force that pulls smaller things to massive things
- 18. The force applied on a surface
- 20. A device used to control the flow of something in a one way direction
Down
- 2. Something used to keep things together
- 4. A curved path
- 5. The smallest possible piece of something
- 7. A shape which reduces air resistance
- 9. Moving air
- 13. Anything inflated and hollow
- 17. How much space something takes up
- 19. A state of matter with a definite shape and volume