Science Chapter 1 Vocab

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Across
  1. 3. of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations.
  2. 5. is a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame.
  3. 6. equation consists of the chemical formulas of the reactants (the starting substances) and the chemical formula of the products
  4. 8. replacement is a chemical reaction in which one element is replaced by another in a compound.
  5. 10. is the process of decaying or rotting.
Down
  1. 1. is a written discussion incorporating support from several sources of differing views.
  2. 2. is (of a reaction or process) accompanied by the release of heat.
  3. 4. Energy is the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
  4. 5. reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products.
  5. 7. inhibitor is a thing which inhibits someone or something.
  6. 9. is (of a reaction or process) accompanied by or requiring the absorption of heat.
  7. 10. replacement is a chemical process involving the exchange of bonds between two reacting chemical species which results in the creation of products with similar or identical bonding affiliations