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More than three years ago my engineering friend told me how her and her son make their own play dough, and she said suggested I should do it on my blog. I said send me your recipe, and three plus years later I'm posting how to make your own play dough. I'm not a procrastinator or anything. *Whistle, whistle* You'll Need 1 Cup All Purpose Flour 1/2 Cup Salt 1/2 Cup Water Mixing Bowl Food Coloring (optional) Cookie Cutters and Rolling Pin (optional) Instructions 1) Mix the salt

Happy St. Patrick's Day STEM Sparkers! I really wanted to do lots of cool Women's History Month posts and even a Pi Day post (happy...

Happy Memorial Day to STEM Spark readers who live in the USA! Jack, Bobby, and I are celebrating the 3 day weekend by remembering those...

Hoppy Easter and Passover and Spring Solstice STEM Sparkers! To celebrate, we're tie dying eggs. I wasn't sure whether to categorize...

Hi STEM Sparkers! Are any of you having a hard time fitting work, homeschooling, and sleep into one day? I am! It's so overwhelming,...

Welcome back STEM Sparkers! Hope you're ready for the perfect Thanksgiving science experiment: hopping corn! You'll Need a clear glass container popping corn water baking soda white vinegar food coloring (optional) Instructions 1) Fill your glass container with water and add a couple drops of food coloring. 2) Add your baking soda and stir well until it is all dissolved. 3) Add a small handful of popping corn kernels. 4) Add the vinegar and watch the corn start to hop up and

Let's fall for STEM! We're celebrating fall with this apple related science experiment [insert groan at our earlier pun], so grab that perfect fall accessory, the apple, and let's make it erupt! You'll Need Apple Baking Soda Vinegar Pan/Plate/Bowl Knife and Spoon Food coloring (optional) Instructions 1) Cut a hole on top of the apple using a knife (note: adults this is your queue to cut, and we hold no responsibility for your cutting technique), and then scoop out the rest

Jack loves rainbows! I love rainbows! Scientists loves rainbows! I mean there are so many science websites out there explaining the science of rainbows (here's one from How Stuff Works ), which is totally great for explaining rainbow science to children. But what is even better than explaining the science of rainbows is making an edible rainbow out of candies! You'll Need Skittles Water A light colored plate (best for full rainbow color) Instructions 1) Arrange the Skittles

Our STEM Spark friend Stephanie B. (hi Stephanie!) suggested that we do the edible science experiment rain cloud in a jar, and although we've done this one a few times before, we couldn't think of a better month to finally share the experiment with the rest of our STEM Spark friends! Because April brings April showers; or in our case, rain clouds in jars! You'll Need Clear jar Water Canned Whipped Cream (like Reddi Whip) Blue Food Coloring Instructions 1. Fill the clear jar

Dr. Seuss Day, aka Read Across America Day, is on March 2nd this year! And I can't think of a better way to celebrate than by making some Non-Newtonian Fluid, aka Oobleck ! The Oobleck can also be dyed green, making it a great St. Patrick Day's science experiment as well! You'll Need Box of Corn Starch Water Measuring cups A Bowl or Pie Tin Spoon Food coloring (optional) Paper towels, paper ads, paper table cloth, or newspaper to cover your working surface to make clean up e

Nothing says Happy Valentine's Day like a science experiment, right? Okay, maybe not so much. But what are you going to do with all those left over cinnamon candy hearts that didn't go into a Valentine's card? Science experiment of course (see first sentence for reference)! STEM Spark presents "Dissolving Candy Hearts" for your Valentine's Day STEM fun! You'll Need: Candy Hearts (preferably the red hard kind) Water Plate, bowl or tray Instructions: 1) Place candy hearts

Alright going to wrap up the Harry Potter and Back To Hogwarts Day with an edible science experiment that I think Fred and George would have served at their shop. Hope you enjoy; cheers! You'll Need: 1/4 Tsp of Baking Soda 2 Lemons 1 Tbsp of Sugar 1/4 Cup of Water Cups to Hold Liquid Spoon Straw (Optional) Instructions: 1) To juice the lemons, just cut lemons in half and squeeze into the cup. Should be roughly a 1/4 cup of juice. Set aside. Note: 1/4 Cup of Bottled Lemon

With Arizona teachers walking out tomorrow, which I totally support!, you might find your kid at home and looking for something to do. Or maybe you're in a state where there is no walk out, but you'll need something to do this weekend. Enter Edible Starburst Slime-- the science experiment is sure to give your kids a sugar high and then a sugar crash, so let's call it a win? YOU'LL NEED: Starbursts Powdered Sugar Double Boiler Pot Non-Stick Cooking Mat if you have one Parent