0:19Kid's Science Picnic: Exploring Water Wonders Step-by-Step! #shorts
Join us on STEPBYSTEP KIDSTV for an exciting picnic adventure, exploring the wonders of water science! Discover amazing facts and simple experiments perfect for curious minds.
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Pourquoi un navire en acier flotte et un clou coule ? #shorts
Découvrez le paradoxe fascinant d'un navire en acier flottant tandis qu'un simple clou coule. La science derrière ? Densité et le principe d'Archimède expliqués simplement.
Concepts explained
Concept glossary ↗Original explanations based on the cited sources.
Archimedes’ principle
A liquid or gas pushes an immersed object upward with a force equal to the weight of the displaced fluid. This also applies to objects that sink.
Sources
Density
Density tells us how much mass occupies a given volume: density = mass ÷ volume. A large object need not have a high density.
Sources
Floating and sinking
For an object floating freely, buoyancy balances its weight. Under ordinary conditions, an object denser on average than the liquid sinks; trapped air counts in that average.
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0:19
0:29Father Son Air Experiment: Astonishing Lake Picnic Science! #shorts
Witness a father and son demonstrate the power of air pressure with a simple glass and lake water. A clear, visual lesson in physics.
0:23Science Fun: The Amazing Water Splash Picnic Trick! #shorts
Watch this father and son duo turn a simple picnic into a captivating science lesson, demonstrating the power of water pressure in a fun, engaging way.
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