A balloon A straw A piece of string 3 to 5 meters long that passes easily through a drinking straw, e.g., linen thread or butcher’s twine Adhesive tape (e.g., masking tape) Scissors When you inflated ...

Grab a balloon and a straw and step into the fiendishly complicated world of fluid dynamics, if you dare. 1. Inflate a water balloon with air and tie a short piece of string or wool (around 10 ...

These experiments are sure to get your kids excited about the Artemis II launch and Project Hail Mary heading to theaters.