Module 1 Vocabulary (7th Grade)

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Across
  1. 2. A change in matter in which the substances that make up the matter change into other substances with different chemical and physical properties
  2. 3. More energy is required to break the bonds of the reactants than is released when products form
  3. 5. Law that states that energy is always transferring, but energy is not created or destroyed
  4. 6. law states that the total mass of the reactants before a chemical reaction is the same as the total mass of the products after the chemical reaction
  5. 11. Occurs when a substance reacts with another substance, changing it to a new substance
  6. 12. the amount of space a substance takes up
  7. 13. A substance produced by a chemical reaction
  8. 14. the mass per unit of volume of a substance
  9. 15. More energy is released when the products form than is required to break the bonds in the reactants
  10. 16. a characteristic of matter that can be observed as it changes to a different type of matter
  11. 17. The amount of matter in an object
  12. 18. The starting substance in a chemical reaction
Down
  1. 1. A process in which atoms of one or more substances rearrange to form one or more new substances
  2. 4. A number placed in front of an element symbol or chemical formula in an equation
  3. 7. Occurs when substances react with oxidizing agents, changing it to a new substance
  4. 8. The energy released when atoms form bonds
  5. 9. The ability of a type of matter to burn easily
  6. 10. a characteristic of matter that can be observed or measured without changing the identity of the matter