To Conduct Demonstration Ger the drinking bird to start bobbing by wetting its head and placing a 400mL beaker of water (spout toward the bird’s beak) adjacent to the bird to prevent it from turning ...

The drinking bird is a heat engine driven by evaporating water absorbing heat from the surroundings. The bird bobs forward into the glass of water and recovers. It oscillates in the upright position ...

A 'drinking bird' and a glass of water. Optional: a plexiglass box and a squeeze bottle containing alcohol. What it does: The bird bobs forward into the glass of water and recovers. It oscillates in ...