HomeParentingThings to Do with KidsMake Your Own Bouncy Balls March 13, 2013 What kid doesn’t like bouncy balls? My kids, from little to big could spend hours bouncing around the little rubber balls all day – well until either I yank them away in fear of my toddlers choking on them, or until my older kids break something with the ball. If your kids are bouncy ball fans, have we got a geeky kids project for you! How to Make Your Own Bouncy Balls Who knew you could make these thing?? Sure, you could head on down to the Dollar Tree and pick up a pack of 4 for $1 but what fun is that? With a few ingredients and some quality time with the kids – you will have your very own custom made bouncy balls. BONUS: your kids will get a great chemistry lesson. Here is what you’ll need to get started: The bouncing ball in this activity is made from a polymer. Polymers are molecules made up of repeating chemical units. Glue contains the polymer polyvinyl acetate (PVA), which cross-links to itself when reacted with borax. Bouncing Polymer Ball Materials Here’s a list of materials you need to gather to make bouncing polymer balls: borax (found in the laundry section of the store) cornstarch (found in the baking section of the store) white glue (e.g., Elmer’s glue – makes an opaque ball) or blue or clear school glue (makes a translucent ball) warm water food coloring (optional) measuring spoons spoon or craft stick to stir the mixture 2 small plastic cups or other containers for mixing marking pen watch with a second hand metric ruler zip-lock plastic baggie Gather your geeky project supplies, and let’s make a bouncy ball! Click here to view the how to. One Response plusyinfups April 28, 2013 A tooth (plural teeth) is a small, calcified, whitish order start in the jaws (or mouths) of many vertebrates and habituated to to defeat down food. Some animals, explicitly carnivores, also use teeth for the purpose hunting or for defensive purposes. The roots of teeth are covered nearby gums. Teeth are not made of bone, but degree of multiple tissues of varying density and hardness. The unrestricted structure of teeth is nearly the same across the vertebrates, although there is of distinction converting in their form and position. The teeth of mammals drink deep roots, and this design is also rest in some fish, and in crocodilians. In most teleost fish, however, the teeth are spoken for to the outer rise of the bone, while in lizards they are fastened to the inner come up of the jaw alongside harmonious side. In cartilaginous fish, such as sharks, the teeth are seconded by means of perplexing ligaments to the hoops of cartilage that type the jaw. Reply Leave a Reply Cancel Reply Your email address will not be published. Name* Email* Website * Copy This Password * * Type Or Paste Password Here * Comment Current ye@r * Leave this field empty Notify me of follow-up comments by email. Notify me of new posts by email.