VOCAB FOR BIOLOGY

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Across
  1. 3. A material made up of two or more parts
  2. 4. bonds A bond between two or more atoms
  3. 5. A tiny piece of something
  4. 7. The ability to do work
  5. 8. One of the four substances (earth, water, air, or fire)
  6. 11. Atomic particle with no charge
  7. 12. The smallest unit of an element
Down
  1. 1. bond A weak bond between two molecules
  2. 2. bonds A chemical bond in which one atom loses
  3. 6. Atomic particle with a negative charge
  4. 9. Its everywhere and takes up space
  5. 10. Atomic particle with a positive charge