Chem Mat Review + Chem Rxns Intro

12345678910111213141516171819202122
Across
  1. 2. also called, “chemical reaction”, is when one substance is transformed into another substance through a chemical reaction.
  2. 5. The act of giving up one benefit in order to gain another, greater benefit
  3. 8. property A characteristic of a pure substance that describes its ability to change into different substances
  4. 9. The amount of matter in an object
  5. 11. property A characteristic of a pure substance that can be observed without changing it into another substance
  6. 14. The energy an object has due to its motion
  7. 17. the energy contained within a system that is responsible for its temperature
  8. 19. The temperature at which a solid becomes a liquid
  9. 20. How compact the particles of a substance are in a space
  10. 22. The amount of space an object takes up
Down
  1. 1. A physical property that describes matter as a solid, liquid, or gas.
  2. 3. Collected data from observations Mat and experiments
  3. 4. Basic unit of matter
  4. 6. A material's ability to burn in the presence of oxygen
  5. 7. also called “thermal energy”; always flows from high to low.
  6. 10. Characteristic used to describe something
  7. 12. Anything that has mass and takes up space
  8. 13. The temperature at which a liquid changes to a gas
  9. 15. A substance made up of atoms of two or more different elements joined by chemical bonds
  10. 16. A pure substance made of only one kind of atom
  11. 18. Two or more atoms bonded together
  12. 21. a representation of an object or event that can be studied to understand the real object or event