alka
![Surface Area activity components including signs, activity materials and guides.](https://www.nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/surface_area.jpg?h=b7796557&itok=ECS2dtXS)
Exploring Properties - Surface Area
In this activity, learners compare the reaction rate of an effervescent antacid tablet that is broken in half with one that is broken into many pieces.
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![Facilitator standing next to a erupting bottle of soda](https://www.nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/6685/screenhunter__apr._2202.jpg?h=955d4836&itok=PQmY3XJu)
Mentos and Soda Explosion
In this stage presentation, learners experience a dramatic and messy demonstration on the effects of surface area.
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