Across
- 2. has a definite shape and a definite volume.
- 4. of two or more substances that are together in the same place but are not chemically combined.
- 5. action performed or a feeling experienced in response to a situation or event.
- 6. force of its outward push divided by the area of the walls of the container.
- 8. substance that part in and undergoes change during a reaction.
- 14. nuclel force;a fund amental in teraction of nature that acts between subatomic partides of matter.
- 16. distinct type of molecular compound.
- 17. use of the senses to obtain information.
- 18. a boat in motion by pushing it or allowing it to roll into the water.
- 19. basic unit of a chemical element .
- 21. has a definite volume but no shape of its own.
- 22. article or substance that is manufactured or refined for sale.
- 23. measure of the averate energy of random motion of particles of matter
- 24. nuclel;nuclear stability means that the nucleus of an element is stable and thusit does not decay.
- 25. statement.
- 26. chemical reaction between a fuel and oxygen
Down
- 1. measure of the amount of matter.
- 3. the change from a liquid to a solid.
- 7. that takes place only on the surface of a liquid.
- 9. strength and vitality required for sustained physical or mental activity.
- 10. amount of space between two things or people.
- 11. amount of space between two thing or people.
- 12. the process of burning something .
- 13. to the closeness of measurements to the correct or accepted value of the quantity measured.
- 15. action performed or a feeling experienced in response to a situation or event.
- 20. of importance have significance.