Science

123456789101112131415
Across
  1. 2. Anything that has mass and takes up space.
  2. 7. Where you get information on elements.
  3. 11. Systems outputs become inputs to other systems.
  4. 14. Multiple types of atoms bonded together.
  5. 15. A collection of parts and pieces that work together to make somthing happen.
Down
  1. 1. Things that work together to allow a system to work.
  2. 3. Current class.
  3. 4. Something that is made by a system.
  4. 5. A system within a system.
  5. 6. Items that are mixed but not chemically bonded together.
  6. 8. Somthing that must be added to a system to function.
  7. 9. 2 or more atoms bonded together.
  8. 10. A time or place where the system stop functioning.
  9. 12. The smallest piece of an element.
  10. 13. To study or determine the relationship between parts of somthing.