Crossword puzzle 2

6. the physical form of matter described by its physical characteristics
7. a change in matter that doesn't alter is chemical identity
9. particles that make up an object
10. The ability to do work
13. a physical combination of two or more substances
14. The attractive force between any two objects based on masses
15. a change of one element into another element by changes occurring in the nucleus of the atom
17. The change in state from a gas directly to a solid
19. The change of state from a liquid to gas
23. a pure substance made of only one kind of atom
24. the change in state from a solid directly to a gas caused by adding energy
26. a rigid state of matter in which the particles align in a fixed arrangement
27. the change of state from solid to a liquid
30. two are more chemically bonded atoms
31. The change in state from a liquid to a gas caused by adding energy
33. The change in state from gas to a liquid

1. Scientific law states that matter and energy cannot be created or destroyed
2. a push or a pull on an object
3. anything that has mass and takes up space; a physical substance
4. The hotness or coldness of a substance
5. The force of gravitational attraction between an object's mass and its resident planet
8. The change from one pure substance to another
11. The amount of space that an object occupies
12. a fluid state of matter in which particles are free to move
16. a charged atom or group of atoms caused by a charge imbalance
18. a material made of only one kind of element or compound
20. a fluid state of matter made of extremely high temperatures
21. a fluid state of matter in which the particles move so fast
22. a pure substance formed by chemically combining two or more elements
25. The change of a state from a liquid to a gas at the boiling point
28. the measure of the amount of matter in an object
29. The change in state from a liquid to a solid
32. Work is done when a force acts on moving object in the same or opposite