Help make Alexa smarter on Alexa Answers. Sign in with Amazon


Why do balloons go up?

Helium is called a "lighter than air" gas, because it is less dense than air. Helium balloons rise because of a force called buoyancy.

{{ relativeTimeResolver(1591969210029) }}

Points points 8
Rating 0

Similar Questions
Sign in to view all similar questions
Miscellaneous 1 Answer
Miscellaneous 1 Answer
Miscellaneous 2 Answers
Miscellaneous 2 Answers

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world