Large group science experiments

Hot Air, Cold Air Science Activity is a great experiment to watch the effects of hot air and cold air on a balloon. Observe what is happening and why?

Try this Balloon Air Pressure Experiment! Balloon and glass experiment explanation for kids is perfect for science fair air experiment.

THE BEST Pumpkin Science Experiments and Pumpkin Volcano for Kids. Your Kids will love this exploding pumpkin experiment. Science Activities and Pumpkin Science Experiments are perfect for a fall theme for preschool and kindergarten, Add this Pumpkin Science to your Kids Science Table or Pumpkin Lesson Plans this fall.

STEM activities in large groups can create powerful learning experiences. For larger groups, you want demonstrations that can be seen from different angles or projects where you can divide a large group into smaller teams. These are perfect for classrooms, summer camps, parties, or just keeping a group of kids occupied and engaged. Click to find kids activities, STEM challenges, STEAM projects and science experiments at STEMtropolis.com

Spooky collection of Halloween STEM Challenges, try making a pumpkin from halloween candy, making a ghost jump, some brain surgery and lots more.

Your kids will be amazed by this simple burning candle in water science experiment. This rising water experiment will teach your kids the effect of air pressure.

Want to see if a layer of blubber can really help you stay warm in icy water? Try this arctic animals science experiment to experience it.

Must do for Halloween! Halloween Marshmallow Science Experiment with a spooky twist! Make ghosts, pumpkins and zombies in this STEAM challenge

Mini wizards and witches everywhere will be enchanted making magical Bubbling Witches Brew this Halloween season! This Halloween science experiment do

Our rainy, rainy spring has finally ended and now it’s HOT! We hit the high 90’s yesterday (haven’t hit 100 yet, so that’s good). The younger boys and I took advantage of the hot sun and did a simple science experiment with melting. This is SO easy and really interesting for the preschool and kindergarten […]