In this science fair project, students will make hot-air balloons using a toaster and dry-cleaning bags, and see how the size of the balloon affects its flight.

Make a hot air balloon from birthday candles and trash can liners in this easy science project. Watch in amazement when it really flies!

This video presents some amazing facts that allow hot air balloons to fly, woven into cool videos of people-carrying balloons preparing for take off.

Here's a super simple experiment you can do at home to make a mini hot air balloon.

Nov 16, 2025 · In this project, you’ll build hot air balloons powered by a toaster and experiment with various sizes, discovering how size influences flight performance. This activity is suitable …

Aug 14, 2025 · Uncover the magic of flight with a hot air balloon STEM activity! Learn about density, buoyancy & engineering through hands-on fun. Get tips for parents & educators to …

The Homemade Hot Air Balloon Experiment! Your homemade hot air balloon won't fly into the air, I'm afraid... but it will be a great chance to learn about how temperature makes air expand and …