This modified version of a lava lamp is definitely one of our favorite cool science experiments! It's a super fun way for kids to explore the density of liquids using materials you have right in your kitchen.
Rainbow Bubble Snakes - Need: Half a waterbottle, rubberband, bubbles (dishsoap/water), food coloring, sock. Steps: Dip sock held by a rubber band on the water bottle in food coloring in dish soap and food coloring and blow. Have fun!
A fun project for the kids to recycle wine corks and rubber bands from produce into Cork Sailboats With Sparkly Sails from Mama Papa Bubba. Take them in the tub for bath time or outside to the nearest body of water!