Frequently Purchased Together
Hook is an amazing game that combines cool science with coordination and skill. You’ll make a special diver, float it in a soda bottle tank and then use your talent to retrieve sunken treasure! Hook is an updated version of a classic science experiment called a Cartesian Diver. Get ready to challenge your friends to a game of Hook! Learn about the difference in the properties of air and water. Discover the relationship between air pressure and density, and how to make a floating diver more or less buoyant. Float or sink? It’s your choice!
The soda bottle houses two divers: a hook and a sinker. The “hook” diver has a wire attached that is bent in the shape of a hook just big enough to latch onto the “loop” of wire extending over the top of the sinker diver. The sinker rests at the bottom of the bottle while the hook diver floats. The object of the game is to make the hook diver sink by squeezing the soda bottle and to hook the sinker on the bottom. It’s a game of science and skill and lots of fun frustration! Whether you’re in search of a HOOK kit or a kit with enough HOOK materials for the entire classroom, we’ve got you covered! Recommended for children ages 6 and up.
Hook Game (30 Pack)
- 30 lengths of red coated wire (loop)
- 30 lengths of blue coated wire (hook)
- 60 graduated pipettes
- 60 hex nuts
- Activity guide
What Does It Teach?
The Cartesian Diver is a classic science experiment that’s hundreds of years old. It’s named for a Frenchman, René Descartes (1596-1650), who made huge contributions in the fields of philosophy, math, and science. The original Cartesian Divers were made out of glass medicine droppers or delicate glass ampules.
When you have the water levels adjusted correctly in your new, unbreakable divers, you should see the water in the diver rise as you squeeze the bottle. The air trapped in the pipette compresses into a smaller space and the diver’s weight increases. It becomes less buoyant and it sinks. When you release the squeeze, the compressed air expands and forces water out of the diver, allowing it to float to the top of the bottle.
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