Sprinkler (How Air Pressure Helps In Drinking Water Using a Straw Pipe)


  • Working Principle: Bernoulli’s Principle
  • Product Material: Plastic and EVA foam
  • Dimensions: width-6 cm & height- 12 cm & Glass dia – 3.5 cm
  • Age: 14 years
  • Class/Grade: 9th
  • Category: Physics
  • Resource: Student


Have you ever wondered how the soft drink or water gets sucked in, in the straw. We will make a simple toy to demonstrate this concept. This toy can also be used by children for making their own ‘Pichkaari’ during “Festival of Colours”.
The aim of this experiment is to understand the concept of pressure drop and it’s effects.

Learning Outcomes

  1. This manipulative aims at giving an understanding of the concept of pressure drop and it’s effects.
  2. Makes students aware about the scientific principles at play behind even the most simplest of things as sipping with a straw.
  3. Correlation between theory and practical becomes easier
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