Across
- 3. change of solid to gas from adding energy
- 5. matter and energy cannot be created or destroyed
- 6. change from gas to liquid by removing energy
- 9. change from liquid to solid
- 10. chemically combined elements
- 13. ability to do work
- 14. change from solid to liquid
- 18. amount of matter in object
- 20. state of matter, changeable shape and volume
- 24. change from liquid to gas below boiling point
- 25. fluid, free moving particles
- 26. smallest particle of an element
- 27. charged atom
- 28. pure substance
- 29. substance made of only one kind of element
- 30. force acts on a moving object
Down
- 1. change of state from gas to solid
- 2. push or pull on an object
- 4. change from liquid to a gas by adding energy
- 7. attractive force between two objects
- 8. two or more chemically bonded elements
- 11. force of gravitational attraction
- 12. change from liquid to a gas
- 15. state of matter, most common
- 16. hot or cold
- 17. physical combination of 2 or more substances
- 19. amount of space that an object occupies
- 21. of matter solid, liquid, gas, or plasma
- 22. anything that takes up space
- 23. substance with unchanging volume and shape