Classroom Resources: Reactions & Stoichiometry


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201 – 205 of 205 Classroom Resources

  • Observations, Chemical Change, Acids & Bases, Chemical Change, Mixtures | High School, Middle School, Elementary School

    Demonstration: Inflating a Balloon with Chemistry

    In this demonstration, the teacher will perform a reaction between acetic acid (vinegar) and sodium bicarbonate (baking soda) in order to inflate a balloon and to introduce the concept of a chemical reaction to students. Students will observe the reaction, and identify indicators of chemical change as well as discuss the different types of matter that are involved.

  • Classification of Reactions, Chemical Change, Temperature, Exothermic & Endothermic, Activation Energy, Energy Diagrams, Bond Energy

    Simulation: Energy Changes in Chemical Reactions

    In the November 2016 simulation, students will evaluate the energy changes in an endothermic and an exothermic chemical reaction. Students will have the opportunity to compare how energy is absorbed and released in each reaction, and will make a connection between the standard energy diagrams associated with each reaction type.

  • Reaction Rate, Reversible Reactions, Le Châtelier's Principle, Establishing Equilibrium, Equilibrium Constants, Graphing | High School

    Lab: Dynamic Equilibrium Simulation

    In this lab, students will explore equilibrium using paper clips to mimic a chemical reaction.

  • Balancing Equations, Conservation of Mass | High School, Middle School

    Activity: Simulation Activity: Balancing Chemical Equations

    In this activity, students will learn how to count atoms and how to balance chemical equations using a simulation and games from PhET Interactive Simulations.

  • Balancing Equations, Conservation of Mass | High School, Middle School

    Simulation: Balancing Chemical Equations

    The simulation for the September 2014 issue comes from PhET and helps students practice balancing chemical equations. AACT helped fund the conversion of this popular simulation into a format that is compatible with all devices, including iPads. PhET provides teacher’s guides for many of their simulations, and teacher-generated activities that can accompany the simulations.

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