Unit 7 Vocabulary

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Across
  1. 2. Change - a change in matter that does not involve a change in chemical makeup.
  2. 3. Reaction - a chemical reaction where energy is given off in the form of heat or light.
  3. 6. - a substance that undergoes a chemical change.
  4. 8. - a substance that results form a chemical change.
Down
  1. 1. - a solid that is formed by combining two liquids that undergo a chemical reaction.
  2. 4. Reaction - a chemical reaction where energy is absorbed and temperature usually decreases.
  3. 5. of Conservation of Mass - the rule that states that matter cannot be created or destroyed during chemical reactions.
  4. 7. Reaction - a process in which one or more substances change to form one or more new substances with different chemical makeups.