Launching marshmallows, flinging marshmallows, catapulting marshmallows! Marshmallows everywhere, but this time we made our catapult out of marshmallows. This easy marshmallow catapult or marshmallow launcher is perfect for that stuck inside kind of day or while roasting marshmallows around the campfire. Easy STEM activities for kids make great play!
BUILD A MARSHMALLOW CATAPULT FOR KIDS
MARSHMALLOW CATAPULT FOR STEM
These marshmallow catapults make a great STEM activity! We used technology to assist us in building our simple catapults. We used math to determine the supplies needed to build the catapult.
We used our engineering skills to actually build the marshmallow catapults. We used science to test how far the catapults launched our marshmallows.
MORE CATAPULT DESIGNS
Explore physics and how catapults work with other design ideas including:
- LEGO catapult
- Popsicle Stick Catapult
- Pencil catapult for great STEM with a handful of school supplies).
- Spoon catapult with great firing power!
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HOW TO MAKE A MARSHMALLOW CATAPULT
What kid isn’t impressed when you can whip up a cool catapult that launches things in less then 5 minutes? I know my son loves making catapults, and this marshmallow launcher is pretty neat. I didn’t even realize there were these huge jumbo marshmallows!
YOU WILL NEED:
- Jumbo Marshmallows {4}
- Mini Marshmallows {launchers}
- Wooden Skewers (7)
- Plastic Spoon
- Rubberband
- Tape
MARSHMALLOW CATAPULT INSTRUCTIONS
1. Place three marshmallows in a triangle shape on a table. Connect with skewers. Your triangle should lay on the table.
2, Take a skewer and stick it into the top of each marshmallow roughly.
3. Bring the tops of the skewers together in the middle and stick all of them into one marshmallow. (See the photo above)
4. Tape a spoon to another skewer. Stick this skewer into one of the marshmallows below the skewer already in place.
5. Take the rubber band and wind around spoon and then loop end of rubber band around marshmallow and bringing it underneath the marshmallow {should not be on marshmallow}.
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LAUNCH YOUR MARSHMALLOWS
Now is the fun part! Time to test your marshmallow catapult! We used mini marshmallows as our launchers. You could also use mini pencil erasers or anything else you think will launch well without breaking anything or injuring someone.
With one hand gently hold down the jumbo marshmallow that has the skewer spoon stuck in it. With the other hand push down the lever filling the marshmallow with potential energy! Let it go and check out all the kinetic energy your mini marshmallow now has.
Grab a measuring tape and see if you can beat your best distance. Can you do anything differently to change the distance your mini marshmallow travels?
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MARSHMALLOW CATAPULT PROJECT
Take your experimentation even further and compare the results with different types of catapults? Is one better than the other? Does one launch different items better then another?
This is a great way to add scientific method to your marshmallow catapult activity by either testing two catapults with one type of launcher or one catapult with several types of launchers!
LAUNCH MINI MARSHMALLOWS WITH A MARSHMALLOW CATAPULT
Click on the link or on the image for more cool engineering projects for kids!
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