We found some really awesome Halloween projects that you can do with your kids. They’ll learn while having loads of spooky fun.All you need are toothpicks and gummy pumpkins. Encourage kids to build as high as they can, or just let their budding engineer skills lead the way!
Teach your kids about convection and air pressure with these cool flying ghosts made from tea bags!
Hollowed out apples (or gourds!) and baking soda might just BLOW your mind. Full instructions on [Growing a Jeweled Rose.](http://www.growingajeweledrose.com/2013/09/fall-activity-for-kids-apple-volcanoes.html)
Vinegar + Baking Soda = Carbon Dioxide. Thus, balloon inflates! For full instructions visit [Bitz & Giggles.](http://bitzngiggles.com/2014/09/spooky-expanding-ghost.html)
Red cells, white cells, platelets and plasma are all represented in this tactile activity for kiddos. Visit [icanteachmychild.com](http://www.icanteachmychild.com/what-is-blood-made-of/) for details!
It stretches, it dances, you can even blow bubbles with it. Find the recipe and instructions for magnetic slime at [Frugal Fun 4 Boys.](http://frugalfun4boys.com/2014/03/06/make-magnetic-slime/)
Why does the paperclip sink, the lego levitate and the spider float? [Science-Sparks](http://www.science-sparks.com/2012/09/14/creepy-density/) has the answer (and step by step instructions).
Bats, ghosts, witch silhouettes…you can get them all to fly following [THESE INSTRUCTIONS](http://inspirationlaboratories.com/challenge-discover-halloween-science/) from Inspiration Laboratories.
Soaking raw eggs in vinegar overnight will dissolve the shell and result in some really spooky Halloween decor once the experiment is done. Extra spooks points if you draw veins on the eggs beforehand. Learn more at [The Kitchen Pantry Scientist.](http://kitchenpantryscientist.com/alien-monster-eggs/)
Have you ever put marshmallows in the microwave? Well when you do it this way, the peep ghost actually fly before exploding. Visit [Housing a Forest](http://www.housingaforest.com/exploding-peep-geysers/) for details.
Create spooky tchotchkes using run of the mill halloween candy. To see how, visit [Housing a Forest.](http://www.housingaforest.com/candy-potions/)
Nothing says Halloween like a rolling fog and dry ice is the way to do it. For three great experiments involving the haunted house staple, visit [My Kids Adventures.](http://www.mykidsadventures.com/dry-ice-science-halloween/)
[Left Brain Craft Brain](http://leftbraincraftbrain.com/2014/09/13/messy-play-brain-surgery/) offers up three different creeptastic ways to teach your kids about the human brain and play mad scientist all at once.
Also from [Growing A Jeweled Rose,](http://www.growingajeweledrose.com/2013/09/ghost-rockets-halloween-activity.html)a simple dose of Alka Seltzer will have these ghosts flying (at impressive speeds) in no time. Learn how, [HERE.](http://www.growingajeweledrose.com/2013/09/ghost-rockets-halloween-activity.html)
Actually, it’s freshly extracted chlorophyll that turns red under UV light. Spooky science! Visit [Inspiration Laboratories](http://inspirationlaboratories.com/halloween-science-fluorescent-chlorophyll/) to see how.
Try out some long-term observation and keep a field journal like this one from [Kid’s Activities Blog.](http://kidsactivitiesblog.com/7011/rotting-pumpkin)
Check out the effect four different liquids have on a candy pumpkin. Or a candy corn. Or anything else that rots your teeth. For the full experiment visit [Lemon Lime Adventures.](http://lemonlimeadventures.com/dissolving-candy-pumpkins-halloween-science-kids/)
They move on their own. See the whole amazing experiment at [The Kitchen Pantry Scientist.](http://kitchenpantryscientist.com/frankenworms/)