Concepts

Hydrostatic pressure is the same in all directions

Overview

The pressure syringe squirts water with equal force in all directions.

Details

Equipment

• [1] Pressure syringe (a glass sphere with holes in it on the end of a glass tube with a piston)
• [1] Beaker of water

Important Notes

• This demonstration squirts water all over the classroom

Script

1. Insert the glass sphere of the pressure syringe into the beaker of water.
2. Pull the piston up to fill the sphere with water.
3. Point the syringe at the wall.
4. Push the piston down to squirt the water out of the sphere. The water will squirt with equal force in all directions.

Additional Resources