Across
- 1. a piece of white porcelain (tile) on which to test the streak of a substance such as a mineral
- 3. any change in the location of an object
- 5. a push or pull on an object that may change the motion of the object
- 7. a chemical reaction has occurred if any of the following take place:unexpected temperature change, unexpected color change, production of gas, change in odor, or formation of a precipitate
- 11. stored in an objects
- 14. the change in energy from one form into another
- 16. the amount of matter in an object
- 17. a pure substance that cannot be broken down chemically
- 18. the path which an object moves,lies,or points
- 20. the way light reflects from the surface of a substance
Down
- 2. a piece of lab equipment that measures the volume of an object
- 4. energy locked in the nucleus of an atom
- 6. a measure of the ongoing sequence of events taking place
- 8. speed that remains the same or does not change
- 9. the appearance of a substance due to the absorption and reflection of certain light rays
- 10. the distance of an objects travels per unit of time
- 12. the transfer of heat through currents caused by the warming and cooling of liquids and gases
- 13. an element that occurs in all organic compounds and can be found in all known forms of life
- 15. energy stored in electric charges
- 19. the form if energy associated with the movement of atoms and molecules in a material