Y8 Chemical Reactions

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Across
  1. 3. Not transparent; does not allow light to pass through.
  2. 4. Harmful or poisonous to living organisms.
  3. 7. Can be drawn into a wire without breaking.
  4. 10. Resistant to indentation or scratching.
  5. 12. Ability to ignite and sustain combustion.
  6. 15. Prone to chemically reacting with other substances.
  7. 16. Properties - Characteristics related to appearance and state.
  8. 17. Initial substances on the left in a chemical equation.
  9. 18. Represents a chemical reaction using symbols and formulas.
  10. 20. Shift in heat as a signal of chemical change.
  11. 23. Speeds up a reaction but is not consumed.
  12. 24. Easily ignited and capable of burning.
  13. 26. Capable of bending without breaking.
Down
  1. 1. Notations for solid, liquid, gas, and aqueous.
  2. 2. Alteration in hue as a sign of a chemical change.
  3. 5. Properties - Characteristics related to chemical reactions.
  4. 6. Chemical reaction involving metal, oxygen, and often water.
  5. 8. Solid formed in a chemical reaction.
  6. 9. Solid formed when reactants combine in a solution.
  7. 11. Capable of causing gradual damage or erosion.
  8. 13. Allows some light to pass but scatters it.
  9. 14. Observable signs to identify physical and chemical changes.
  10. 16. Resulting substances on the right in a chemical equation.
  11. 19. Can be shaped or molded without breaking.
  12. 21. A substance that speeds up a chemical reaction.
  13. 22. Emission of gas as evidence of a chemical change.
  14. 25. Signifies "reacts to produce."