Halloween is a great time to scoop out pumpkin guts and try some new experiments. This year we’re going to take a look at how to make a clock using a pumpkin, discover the science of pumpkin pies, see what Halloween candies work best for toothpick haunted house engineering, and do a quick hot dog mummy (which is much faster than last years chicken mummy).
Need more ideas? Check out our list from last year!
Halloween Science Experiments and Activities for Kids
- Make a pumpkin clock
- Learn the chemistry behind a pumpkin pie
- Engineer a haunted house
- Make a hot dog mummy
1. Make a pumpkin clock.
Did you know there is such a thing as pumpkin power? Who would have guessed that a pumpkin could power a clock?!? This is a great Halloween Science experiment that you can leave on display for a little while (aka until your pumpkin gets moldy.
Learn about reversible phase transitions (like water to ice and back to water) as you create hollow chocolate eggs. This is one of my favorite Easter crafts for kids because it’s messy, delicious, gorgeous, and educational – plus it doubles as a great table centerpiece.
2. Bake a pumpkin pie.
OK, this one made the list because pumpkin pie is my absolute favorite dessert of all time. I figured since pumpkin pies scream fall, Halloween, and happy tummies why not blend that with some food chemistry to turn my favorite dish into a fabulous Halloween science project?!?
3. Engineer a haunted house.
Last year we did a cranberry and toothpick engineering challenge for Thanksgiving. It was so much fun that I thought it would be great to try a similar engineering challenge with Halloween candies. We used candy corns and marshmallows, but you could use any type of Halloween candy for this. Bonus, if you use multiple types, like we did, you can learn about how different materials have their own set of pros and cons in terms of structural engineering.
4. Make a hot dog mummy.
We made a chicken mummy last year to go with an entire unit on osmosis. I love teaching this class in my after school programs on Bainbridge Island, but you can’t really haul 20 mummifying chickens around town every year. This year I decided it would have to fit in a shoebox, which means we went from a chicken to a hot dog. This is a great Halloween science project you can do over the month of October to have a mummy on the big day!
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