Course Progress:

Chemical Reaction

Chemical reactions happen all around us, but they occur at a molecular level to small to see with the naked eye. This unit will teach your students the physical signs that indicate a chemical reaction is occurring and the mathematical models that will help them better understand what is happening chemically during those reactions.

Learning Objectives:

  • Students will know that chemical reactions result in physical changes to substances that can be identified.
  • Students will know the parts of a chemical equation.
  • Students will be able to determine the number of atoms of each element in a chemical equation.
  • Students will understand how the Law of Conservation of Mass applies to chemical reactions.

Students Will:

  1. know that a chemical reaction is a process in which one or more substances change to make a new substance.
  2. accurately identify the physical signs that indicate a chemical reaction has occurred.
  3. be able to distinguish between a physical change and a chemical change.
  4. know that the element symbols from the periodic table are used to represent the types of atoms in a chemical formula.
  5. know the difference between a reactant and a product in a chemical reaction and will be able to identify each.
  6. know that coefficients represent how many molecules of a compound are in a chemical formula.
  7. know that subscripts represent how many atoms of a particular element are in a compound.
  8. know how to use coefficients and subscripts to accurately count how many atoms are in a compound.
  9. understand that The Law of Conservation of Mass means that the total number of atoms on the reactant side of a chemical equation must be equal to the total number of atoms on the product side.
  10. be able to accurately balance simple chemical equations.

Suggested Materials:

  • Computer and Projector for Videos/Presentations
  • Student Access to Internet
  • Lab Supplies:
    • Lab 1: Is It A Chemical Reactions
      • Soda (Personal Size Bottle; 1 per lab group)
      • Pop Rocks (1 small packet per lab group)
      • Funnel (1 per lab group)
      • String (31cm/12” per group)
      • Ruler (1 per lab group)
      • Thermometer (1 per lab group)
    • Lab 2: Baking Soda and Vinegar Reaction
      • Erlenmeyer Flask: approximately 125 mL (1 per lab group)
      • Baking Soda (1 Tablespoon / 15 grams per lab group)
      • Vinegar (1/2 cup / 100 mL per lab group
      • Funnel (1 per lab group)
      • String (31cm/12” per group)
      • Ruler (1 per lab group)
      • Thermometer (1 per lab group)
      • Litmus Paper (3 pieces per lab group)

Pacing: 8 Days

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