なぜ氷は水に浮く?-ジョージ・ザイダン、チャールス・モートン
思ったより密度が高い - 科学実験
空気密度を理解する
空気ガスより軽くて重い
ガスの密度
暖かい空気が上昇するのに、なぜ山の頂上は寒いのでしょうか?
Density - Why does an iron nail float on mercury and sink in water? | #aumsum #kids #science
Density - Why does oil float on water? | #aumsum #kids #science #education #children
Why don't we get crushed by atmospheric pressure? | #aumsum #kids #science #education #children
Is carbon monoxide denser than air?
Speed of Sound through Solids, Liquids and Gases
Terminal Velocity and Air Resistance
Is NON-BUOYANT WATER Deadly?
| colourful liquid density gradient | layers of liquid in glass |Awesome science experiment
Touching mercury
Speak Like Darth Vader with Sulfur Hexafluoride
Biggest problem with silky hair🙂 #silkyhair
Denser Than You Think - HOW TO AMAZING Science Experiment
Elton John - Tiny Dancer
Why is dry ice so dangerous? | #aumsum #kids #science #education #children