Across
- 3. Amount of space a substance takes up
- 6. to a chemical change that is accompanied by a liberation of heat
- 8. the heat in calories required to raise the temperature of one gram of a substance one degree Celsius
- 13. Every living thing must have
- 16. the measure of heat
- 18. solid, liquid, gas, and plasma
- 19. no actual shape usually wet
- 21. the same
- 24. stating that energy cannot be created or destroyed
- 28. form of energy
- 29. measuring by the quantity
- 30. a substance made up of chemical elements
Down
- 1. amount of something in description
- 2. group of atoms bonded together
- 4. everything that has mass that takes up space
- 5. different
- 7. one of the basic substances that are made of atoms
- 9. formed by a chemical result
- 10. to form (something) by combining separate things
- 11. energy associated with motion
- 12. substance that changes during a reaction
- 14. the substance bubbles or makes a reaction with change
- 15. a usually reversible change in the physical properties of a substance
- 17. a portion of matter consisting of two or more components
- 20. the thing that forms physical objects and occupies space
- 22. a sample of matter with both definite and constant composition with distinct chemical properties.
- 23. a substance with no fixed shape
- 25. firm or hard
- 26. the act of water turning into a gas being absorbed
- 27. to a chemical change that is accompanied by an absorption of heat
- 31. basic unit of a chemical element