Hello and welcome back to the Curious Kid podcast. Here's a riddle. The topic of this week's

episode is cool, even though it has to be hot in order to work. Also, unlike most things that fly,

it needs to be very big to fly, especially if it's

going to take humans along for the ride.

Any idea what we're getting curious about this week?

Mailbag!

Mailbag!

Thank you so much for all the episodes you guys do.

We love listening and learning about all the topics you have gotten curious about.

Our favorites have been curious about soccer, owls, rockets, and airplanes, and so many more.

Can you get curious about hot air balloons?

Thank you.

From Santiago and Sebastian from McKinney, Texas.

Thanks so much for the topic's suggestion.

We are so excited to get curious about hot air balloons for Santiago and Sebastian this week.

My dad is particularly excited about hot air balloons because there's a lot of signs involved in the way they work.

You bet there is. Before we discuss how hot air balloons work, why don't you tell us the question of the week?

Well, hot air balloon rides are supposed to be fun and also relaxing because hot air balloons don't travel very fast.

That doesn't mean that they can't travel fast. The question of the week is, what is the world

record for the fastest hot air balloon? As a bonus, what is the record for the highest that hot

air balloon has reached?

While you're crunching numbers in your head trying to come up with the records,

...