How To Make Your Own S’Mores Solar Oven:

Looking for some summertime fun activities for your kids? S’mores always ranks at the top of my kids’ favorite summer activities list. And making solar oven s’mores is where easy kids’ crafts meets summer fun activities for kids. With supplies you already have on hand around the house, you and your kids can easily craft your solar oven in less than an afternoon, then put science to work and harness the sun’s power to bake your own s’mores!

August 10 is National S’Mores Day in the United States. While Congress has not made this an official holiday, you can still enjoy your own s’mores on August 10 – and any other day you have a little sunshine – in your very own DIY s’mores solar oven.

This is a super-easy project that the girls and I made earlier this summer, at a library morning hosted by their elementary school. We’ve tested the ovens several times by now, and can report that they work great. No, the marshmallows won’t get roasted like they do over a campfire, but otherwise the results are just as tasty.

Best of all, you probably already have everything you need to make this craft. And not only is this project at the top of my girls’ list of fun summer activities for kids, it’s also a great example of easy science experiments for kids. Once they’ve made a few rounds of s’mores, your budding scientists can have fun experimenting with what else their solar oven can cook (mini-pizzas? cookie dough?). Talk about easy science experiments for kids that are also fun outdoor summer activities!

Ready to make your own S’Mores Solar Oven?

Make Your Own S’Mores Solar Oven (Easy DIY!)

What you’ll need:

August 10 is National S'Mores Day in the U.S. Making your own s'mores solar oven is a fun, easy project - and (shh!) your kids may learn some science, too!

  • A small, flattish box (minimum 2 inches thick) with lid, like a shoebox or a tablet box (for a family-sized s’mores oven, use a pizza delivery box)
  • Aluminum foil
  • Clear uncolored plastic wrap
  • Sharp scissors
  • (Optional) A pencil/pen and ruler
  • Clear packing tape
  • Black construction paper (if you don’t have any, you can use an extra piece of aluminum foil instead)

 

How to assemble your solar oven:

Looking for a fun and easy summer craft for your kids? Try making a s'mores solar oven with your kids for some tasty science-learning fun!

  1. On the lid of the box, make three straight connected cuts (like three sides of a rectangle or square). Each cut should be approximately 2 in/5cm from the edge of the lid. (You can draw them out first using a ruler, if you like.)
  2. Bend back the lid along where the fourth cut would be, to open up a “window” in the top of the box.
  3. Wrap a piece of aluminum foil securely around both sides of the window flap, so it’s covered; use tape to hold into place if necessary.
  4. Line the inner sides and bottom of the box with foil. Bend the edges of the foil over to the outer sides of the box, and tape securely in place.
  5. Cut a piece of black construction paper to fit inside the bottom of the box, on top of the foil lining.
  6. Cut a piece of plastic wrap that’s a little bigger than the window in the box lid. Tape it securely to the inside of the lid, so it covers the window.
  7. Cut a small rectangle/square of aluminum foil to sit inside the bottom of the box, on top of the black paper. This piece will be your cooking surface, so swap in a new one whenever the old one gets messy.

How to make s’mores in your solar oven

For those of you unfamiliar with this American delicacy, s’mores (abbreviation for “some more,” because most people find them tasty enough to want seconds!) are a homemade sandwich treat. You make them by breaking a strip of graham crackers into two squares, and sandwiching a hot marshmallow and a piece of slightly melted chocolate between them.

August 10 is National S'Mores Day in the U.S. Making your own s'mores solar oven is a fun, easy project - and (shh!) your kids may learn some science, too!

In this case, you’ll cook the marshmallow not over a campfire, but inside your solar oven.

August 10 is National S'Mores Day in the U.S. Making your own s'mores solar oven is a fun, easy project - and (shh!) your kids may learn some science, too!

  1. Place two squares of graham cracker on top of the cooking surface, on the inside bottom of your oven.
  2. Place a piece of chocolate on top of one square, and a marshmallow on top of the other.
  3. Close the oven carefully and place it in the sun, with the window flap open.
  4. Check on it every few minutes until the chocolate starts to melt.
  5. Open the oven lid, make a sandwich with the two halves, and enjoy!

August 10 is National S'Mores Day in the U.S. Making your own s'mores solar oven is a fun, easy project - and (shh!) your kids may learn some science, too!

BONUS: The science behind your s’mores solar oven

  • If you have an oven thermometer (the kind that goes inside your oven to monitor the temperature), it would be fun to have the kids guess how hot it gets inside your solar oven. We haven’t been able to test this ourselves yet, but I understand that it can get up to 200 degrees Fahrenheit, if not more.
  • See if your kids can figure out how the solar oven works – in other words, how it harnesses the sun’s energy to cook your s’mores for you. (Hints: the foil on the window flap reflects the sun’s rays down into the oven, and the black “floor” of the oven absorbs heat.)
  • Try experimenting with other foods in your solar oven to see what else you can cook inside: hot dogs, fried eggs, cookies, etc.
  • Try building larger/different sized ovens for different types of food.
  • If you’re really ambitious (and have time to kill), you can have your kids cook for you on their solar ovens the next time you go family camping.

 

Happy S’Mores Day, and enjoy cooking some s’mores in your new solar oven if you can’t make it to a campfire this August 10!

If you enjoyed this DIY solar oven s’mores project, please share with others by pinning this image!

      

Looking for a fun and easy summer craft for your kids? Try making a s'mores solar oven with your kids for some tasty science-learning fun!

 

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Summer Science Fun: S\'Mores Solar Oven (Easy DIY!)
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