Chemical Reactions Vocabulary

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Across
  1. 1. An increase in _____ can cause particles to move faster.
  2. 4. A _____ forms when two or more atoms bond together.
  3. 5. Ice reaches its _____ when it changes from a solid into a liquid.
  4. 7. Cutting paper is a _____ because no new substance is formed.
  5. 9. In an _____, atoms repeat in a pattern instead of forming separate molecules.
  6. 10. use _____ to describe whether they are observing tiny particles or larger objects.
  7. 13. After a chemical reaction, the _____ are the substances that are made.
  8. 14. A _____ has a specific composition and consistent properties.
  9. 15. Color, density, and melting point are examples of a _____.
  10. 16. A _____ uses symbols and numbers to show what elements are in a substance.
  11. 17. A chemical reaction may release _____ as heat or light.
  12. 18. A _____ spreads out to fill the entire container it is in.
  13. 19. A _____ keeps its shape and volume.
  14. 20. All matter is made of tiny particles called _____.
Down
  1. 2. The _____ of an object tells how much matter it contains.
  2. 3. A _____ is present at the start of a chemical reaction.
  3. 6. A _____ has a fixed volume but takes the shape of its container.
  4. 8. During a _____, reactants rearrange to create products.
  5. 11. When a new substance forms, a _____ has taken place.
  6. 12. Water reaches its _____ when it begins to change from a liquid into a gas.
  7. 16. A _____ substance can damage or eat away at other materials.