buoyancy Archives - Adventures in Oceanography and Teaching

About neutrally buoyant particles, popcorn, and more bubbles

September 20, 2017

When you see all our pretty images of currents and swirling eddies and everything, what you actually see are the neutrally buoyant particles that get lit by the laser in…

On buoyancy

September 2, 2015

This is an experiment that Martin brought to Ratzeburg and that he let me use on my blog: Using a beam balance to talk about buoyancy. So at first we…

Sink or swim – experiments using tin foil

August 26, 2015

A pet peeve of mine are books on handcrafts or experiments or any kind of activity that come with drawings instead of pictures, because I always suspect that it was…

Which displaces more water, a boat with the anchor onboard or in the water?

December 5, 2014

Not that this is a big effect in the ocean, but still, it’s a nice demo. A body submerges into the water until it displaces an amount of water that is…

Cartesian divers – theoretical considerations

January 27, 2014

A bit more reflection on cartesian divers. When I wrote the two previous posts, I had known cartesian divers for a very long time in many contexts, for example as…

Cartesian diver – organic version

January 22, 2014

Using orange peel as cartesian divers. Guess what my mom told me when we were playing with cartesian divers the other day? That orange peel works really well as a…

Cartesian diver

January 20, 2014

Compressibility of water and air. Today I want to talk about the different compressibilities of water and air. Actually, no, I just want to show you an experiment. One way…

Tag: buoyancy

About neutrally buoyant particles, popcorn, and more bubbles

On buoyancy

Sink or swim – experiments using tin foil

Which displaces more water, a boat with the anchor onboard or in the water?

Cartesian divers – theoretical considerations

Cartesian diver – organic version

Cartesian diver

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