結果 : how long will helium balloons stay inflated with air
1:17

How high can a helium balloon go?

PradeepRaj (pradeepverse)🌌
53,558 回視聴 - 6 年前
3:13

How do you store helium balloons overnight?

Λsk Λbout Horizons
4,994 回視聴 - 3 年前
1:34

Why Do Helium Balloons go Down so Quickly?

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2:29

Why do helium balloons float? - Balloon Facts for Kids

Kids Video Show
59,128 回視聴 - 7 年前
1:40

Will a balloon deflate overnight?

Λsk Λbout Horizons
2,127 回視聴 - 3 年前
5:04

How To Make Helium Balloons Float The Longest

Wayne Schmidt
85,912 回視聴 - 6 年前
3:48

Will Helium Filled Balloons Float or Sink In a Vacuum Chamber?

The Action Lab
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2:32

How to make helium balloons last longer | Epic Reviews Home CC

EpicReviewsHome
206,354 回視聴 - 11 年前
0:53

How do hot air balloons work?

KMPH FOX26 NEWS
197 回視聴 - 2 日前
2:23

Why are my balloons deflating?

Λsk Λbout Impact
6,245 回視聴 - 3 年前
1:46

What Happens to a Helium Balloon in Freefall?

PBS Space Time
368,709 回視聴 - 9 年前
6:42

How Do Hot Air Balloons Stay Up?

Be Smart
337,490 回視聴 - 8 年前
1:20

Watch & Learn How to make Helium Latex Balloons Float for Longer

Koch & Co
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0:57

Why does hot air balloon float? | #aumsum #kids #science #education #children

It's AumSum Time
121,985 回視聴 - 6 年前
12:22

Air-Filled Techniques To Help Reduce Your Use Of Helium

Amscan International
21,072 回視聴 - 1 年前
5:42

What If You Inhaled 100 Helium Balloons

Brainiac
564,069 回視聴 - 4 年前
7:37

How much helium does it take to lift a person?

Tom Scott
5,708,571 回視聴 - 2 年前
0:32

Instructional Video : Inflate Foil Balloons

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0:30

How to Blow Up a Balloon

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5:15

How One Man Flies Hundreds of Miles Using Balloons

Great Big Story
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