Across
- 2. use of electricity to break a compound into elements
- 3. rapid combination of a fuel with oxygen
- 7. a measure of how hot or cold something is
- 9. alters the form of matter but does not change into a different substance
- 12. a change in which energy is absorbed
- 13. a measure of the force of gravity
- 14. the amount space that matter occupies
- 16. combination of a substance with oxygen
- 19. releases energy
- 20. change that occurs when lighting a match
- 21. a measure of the mass of a material in a given volume
Down
- 1. matter is not created or destroyed in a chemical or physical change
- 3. a substance transforms into another substance
- 4. the amount of matter in an object
- 5. iron objects can be separated from a mixture by using a
- 6. to measure the properties of matter
- 8. the total energy of the motion of all of the particles in an object
- 10. a chemical that reacts with blood
- 11. a chemical reaction is another name for a chemical __
- 15. length x width x height =
- 17. energy stored in the chemical bonds between atoms
- 18. mass divided by volume = __