Across
- 4. ____ energy: The energy of moving electrical charges.
- 6. Chemical ____: The force that holds atoms together.
- 7. A single kind of matter that is pure and has a specific set of properties.
- 10. ____ change: A form of energy travels through space as wave.
- 12. A measure of the average energy of motion of the particles of a substances.
- 13. Anything that has mass and occupies space.
- 15. A pure substances made of two or more elements chemically combined.
- 16. Chemical ____: A characteristics of a pure substance that describe its ability to change into a different substances.
- 18. ____ mixture: A mixture in which substances are evenly distributed throughout the mixture.
- 19. Two or more substances that are mixed together but not chemically combined.
- 20. properties A characteristics of a pure substances that can be observed without changing it into another substances. (Two words)
Down
- 1. A neutral particle made of two or more atoms joined by covalent bonds.
- 2. A well mixture containing a solvent and at least one solute that has the same properties throughout.
- 3. Law of ____ of matter, The principle that the total amount of matter is neither created nor destroyed during any chemical or physical change.
- 5. ____ change: A change in which energy is taken in.
- 8. A pure substance that cannot broken down into other substances by chemical or physical means.
- 9. ____ mixture: A mixture in which pure substances are unevenly distributed throughout the mixture.
- 11. ____energy: A form of potential energy that is stored in chemical bonds between atoms.
- 12. ____ energy: The total potential and kinetic energy of the particles if an object.
- 14. ____ change: A change in which energy is given off.
- 17. The basic particle from which all elements are made.