Homemade Volcanoes

Summer is here, and that means lots of homemade science experiments. Today’s venture… Volcanoes. 

Our kids loved this! We started with red solo cups and cut the bottom off. 

Next, cut newspaper into strips. Moe got a little carried away with this and we could have done enough volcanoes for the entire town… But we didn’t run out!! 

Next, mix the paper mâché mix. 

Equal parts water, flour, and white school glue, and add 1 tsp salt. Mix, and then dip your strips of paper into it, gently scraping the excess off as you pull it out. 


Then, just lay it on your cup, you want to do one layer, and let it dry, then add extra layers if needed. Otherwise, it will dry unevenly and crack or won’t dry. Smooth the paper gently with your hands as you go, to work out any bubbles or wrinkles. 

Allow this to dry overnight, then paint as desired with basic craft paint, and allow that to dry a couple of hours (ours dried much faster because we used thin coats).

Next step, volcanoes!


Leave your cups sitting on a plate (I would seal the edges with glue and allow it to dry… We didn’t and out mix escaped out the bottom). 

Pour 1/2 cup baking soda and 2-3 drops of food coloring into the bottom of the cup. Next, pour 1/2 – 3/4 cup white vinegar over the baking soda, and BOOM… Magic. (Not a literal boom….)


You can continue to pour extra vinegar as the bubbles die down, because there will be extra baking soda at the bottom. 
Join us and make volcanoes with your kids, then send us pics!!

~Aleah and Moe


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