CHANGES THAT MATERIALS UNDERGO

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Across
  1. 2. It happens when a material undergoes a chemical reaction which results in the formation of new material.
  2. 4. Those materials that rot or decay quickly.
  3. 5. The ability of a material to react with other material.
  4. 7. Materials such as plastics, metals, aluminum, glass and other metals.
  5. 9. A toxic smoke with a very unpleasant smell that is also a product of a chemical reaction.
  6. 10. When the enrichment of the water with chemical nutrients and would result to rapid increase of algae in the water.
  7. 14. The result of harmful chemical reactions that occur in landfills, bodies of water and air.
  8. 15. Substances or material that make up things that undergo chemical change.
Down
  1. 1. The ability of a substance to be set on fire.
  2. 3. It contain materials that can safely break down and decompose, similar to wood and paper.
  3. 6. The tendency of a material to lose its quality due to a physical changes.
  4. 8. This materials can break down biologically or chemically.
  5. 11. A product of the chemical reaction between iron and oxygen.
  6. 12. Occurs when silver sulfide forms on silverware, causing decay.
  7. 13. The new substances of materials produced at the end of the reaction.