Gross out your kids, friends, and neighbors with this deliciously frightening jello brain recipe! No mold needed to make this jello brain STEM activity!  When we made our Halloween jello worms, we had a lot of leftover jello that was stuck between the straws. We didn’t want to waste it, so I asked Monkey what …

Halloween science activities are a fun way to introduce science to kids. This “brain surgery” brain in a bag experiment is a twist on the leak-proof bag science experiment. So, you’ve probably seen the leak proof bag science experiment. It’s one of the easiest kids science projects there is. All you do is stick a pencil …

You can make this zombie slime any time of year, but we like to use it as a Halloween STEM activity. Learn about polymer chains while pretending to be a zombie? Who wouldn’t love that? It’s one of our favorite slime recipes for Halloween! You can find more Halloween slime recipes here. How to Make the Ultimate Zombie …

For this experiment, give the traditional density jar science experiment a Halloween twist by making a Halloween density jar! Halloween. It’s a spooky season for witches, skeletons, and, STEM activities? Halloween can be the BEST time for science and STEM, just because creepy science is so much fun! Halloween STEM activities for middle school are …

This Halloween salt crystallization experiment is a fun Halloween science project that you can do in the classroom or at home! The kids loved this science experiment and it has been one of their favorite crystal experiments to date! If you love science AND you love Halloween, you’ll love this science take on how to …

If you love Halloween science, and you love Mason jar science experiments, stick around. You’ll love these Halloween science experiments in a jar. Halloween is a time for spooky stories, fun costumes, and Halloween STEM! At our house it is! And these experiments are all Halloween science experiments in a jar. Why? Because we love …