Chemical Reactions Vocabulary

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