Conservation of Mass

This Conservation of Mass activity & project also includes:

How do you teach a student with visual impairments about the conservation of mass? You use tactile models that represent the theoretical concept. Baking soda and vinegar are used to add gas to a deflated balloon. Learners will feel the balloon expand, showing that gas can be captured, which means it has mass. They weigh the masses of the reactant before and after the experiment and discuss the results. 

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  • The lesson uses hands-on tactile experiences to help learners with visual impairments understand difficult concepts

  • This activity is great, but background information on conservation of mass is not included. Use this activity as a supplement to a full lesson plan