STEAMInsights: DIY SOLAR OVENS! MAKING S’MORES WITH THE POWER OF THE SUN
- The STEAM Generation
- Sep 4
- 2 min read
Looking for a fun, educational, and delicious way to teach your kids about science? A pizza box solar oven is the perfect project. It combines hands-on creativity with real-world science and ends with a sweet treat—gooey, melted s’mores made using nothing but the sun’s energy!

About Renewable Energy for Kids
Renewable energy comes from natural sources that are constantly replenished—like sunlight, wind, and water. Unlike fossil fuels, renewable energy doesn’t run out and is much better for our planet because it produces little to no pollution.
Solar energy, in particular, is a great topic to introduce to kids because it’s visible and easy to experiment with. Using the sun to power a simple device, like a homemade solar oven, helps children see how sunlight can be transformed into usable heat. This real-world connection inspires curiosity and shows them that science and sustainability can go hand in hand.
Hands-On Project: Build a Pizza Box Solar Oven
This STEAM activity teaches kids how solar heat works while giving them a fun snack to enjoy at the end.
Materials Needed
1 large, clean pizza box
Aluminum foil
Clear plastic wrap
Black construction paper
Tape and glue
Scissors or a craft knife (adult use only)
Ruler
A stick or straw to prop the lid open
S’mores ingredients: marshmallows, chocolate squares, graham crackers
Step 1: Cut the Flap
Using the ruler, draw a square on the top of the pizza box, about 1 inch from the edges. Carefully cut along three sides, leaving the fourth side attached to create a flap that opens like a window.
Step 2: Add Reflective Foil
Cover the inside of the flap with aluminum foil, shiny side out. This will reflect sunlight into the box. Smooth out wrinkles for the best results.
Step 3: Create the Heat Trap Window
Tape clear plastic wrap over the opening you cut, creating an airtight layer. This will trap warm air inside the oven like a greenhouse.
Step 4: Line the Inside with Black Paper
Place black construction paper on the bottom of the pizza box. Black absorbs heat, helping your oven get hotter.
Step 5: Assemble the S’mores
On a paper plate, stack your graham crackers, chocolate, and marshmallows. Place them in the center of the black paper inside the oven.
Step 6: Angle Toward the Sun
Close the pizza box lid and use the stick or straw to prop the foil flap at an angle so sunlight reflects directly onto your smores.
Step 7: Wait and Enjoy
On a sunny day, your oven should heat up enough to melt the chocolate and marshmallow in about 30–60 minutes. Then, enjoy your solar-powered snack!
Conclusion
Making a pizza box solar oven is more than just a craft—it’s a lesson in renewable energy for kids that ends with a delicious, hands-on reward. Not only will your child see how sunlight can be harnessed for heat, but they’ll also start thinking about the endless possibilities of sustainable technology.
So grab a pizza box, gather your ingredients, and let the sun cook up your next snack!
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Take the excitement of solar oven-making to the next level with our hands-on STEAM activities. Nurture your child's potential, and who knows, the next great scientist or engineer might just be in your backyard!
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