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  2. Sodium bicarbonate rocket - Wikipedia

    en.wikipedia.org/wiki/Sodium_bicarbonate_rocket

    The canister may be embellished with paper fins to resemble more closely a real rocket. [1] Various experiments and lessons can center around the use of a bicarbonate rocket. For example, students are sometimes asked to experiment with the amounts of water and Alka-Seltzer to find the combination which propels the rocket the greatest distance.

  3. Vacuum flask - Wikipedia

    en.wikipedia.org/wiki/Vacuum_flask

    A vacuum flask (also known as a Dewar flask, Dewar bottle or thermos) is an insulating storage vessel that slows the speed at which its contents change in temperature. It greatly lengthens the time over which its contents remain hotter or cooler than the flask's surroundings by trying to be as adiabatic as possible.

  4. Water rocket - Wikipedia

    en.wikipedia.org/wiki/Water_rocket

    Water rocket launch. A water rocket is a type of model rocket using water as its reaction mass.The water is forced out by a pressurized gas, typically compressed air.Like all rocket engines, it operates on the principle of Newton's third law of motion.

  5. Soda geyser - Wikipedia

    en.wikipedia.org/wiki/Soda_geyser

    A soda geyser is a physical reaction between a carbonated beverage, usually Diet Coke, and Mentos mints that causes the beverage to be expelled from its container. The candies catalyze the release of gas from the beverage, which creates an eruption that pushes most of the liquid up and out of the bottle.

  6. Liquid-propellant rocket - Wikipedia

    en.wikipedia.org/wiki/Liquid-propellant_rocket

    The GIRD X rocket was launched on 25 November 1933 and flew to a height of 80 meters. [24] In 1933 GDL and GIRD merged and became the Reactive Scientific Research Institute (RNII). At RNII Gushko continued the development of liquid propellant rocket engines ОРМ-53 to ОРМ-102, with ORM-65 powering the RP-318 rocket-powered aircraft. [18]

  7. Cartesian diver - Wikipedia

    en.wikipedia.org/wiki/Cartesian_diver

    A Cartesian diver or Cartesian devil is a classic science experiment which demonstrates the principle of buoyancy (Archimedes' principle) and the ideal gas law.The first written description of this device is provided by Raffaello Magiotti, in his book Renitenza certissima dell'acqua alla compressione (Very firm resistance of water to compression) published in 1648.

  8. Rocket candy - Wikipedia

    en.wikipedia.org/wiki/Rocket_candy

    Rocket candy, or R-Candy, is a type of rocket propellant for model rockets made with a form of sugar as a fuel, and containing an oxidizer. The propellant can be divided into three groups of components: the fuel, the oxidizer, and the (optional) additive(s).

  9. Klein bottle - Wikipedia

    en.wikipedia.org/wiki/Klein_bottle

    A two-dimensional representation of the Klein bottle immersed in three-dimensional space. In mathematics, the Klein bottle (/ ˈ k l aɪ n /) is an example of a non-orientable surface; that is, informally, a one-sided surface which, if traveled upon, could be followed back to the point of origin while flipping the traveler upside down.