Make your own parachute to explore air resistance vs. gravity! You will need cups, a coffee filter, shopping bag, and string. Watch this video to see this challenge in action! #STEM === VIDEO TRANSCRIPT=== Hi Girl Scouts! It’s Sarah. Today we will be building our own parachutes. Here’s what you will need; a shopping bag or coffee filter, a disposable plastic or paper cup. If you use a coffee filter you will need string, yarn, floss. So let’s build our parachute. If you are using a coffee filter,