Water Pressure Experiment
Here is another interesting experiment: water pressure.
Let's see what water pressure can do.
Materials
- tall, empty plastic bottle
- water
Tools
- scissors or a sharp object to punch holes.
- adult supervision
Instructions
- Using scissors (or a sharp object), make a few holes on the plastic bottle 2 inches apart vertically.*Caution: be very careful whenever handling sharp objects*.
- Fill the bottle with water and watch it drain through those holes.
Notes
You have just created a water fountain! This water fountain demonstrates the power of water pressure.
You should see that the stream coming out from the topmost hole land nearest to the bottle. The further down the hole, the farther its steam lands.
This phenomenon is created by different water pressure at each hole.
In this experiment, water pressure is the force applied from the water above on the water below. Because this force comes from the weight of the water, the water at the bottom receives the most water pressure.
High water pressure pushes the water out through the hole the strongest and therefore the stream shoots the farthest.
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