Q:

How do water rockets work?

A:

Quick Answer

A water rocket works because of air pressure that is builds inside a container filled with water, usually a plastic soda bottle, which is released rapidly through an opening as it tries to escape. The reaction of a water rocket is an excellent example of Newton’s third law of motion, which states that forces exist in pairs.

Continue Reading
How do water rockets work?
Credit: davidd CC-BY-2.0

Full Answer

To make a water rocket, fill a plastic bottle partially full of water. Air from a bicycle pump or an air compressor is then pumped into the bottle. The compressed air creates a bubble that rises inside the bottle through the water. The pressurized air at the top of the bottle forces the water out of the opening, and the bottle rises.

Learn more about Motion & Mechanics

Related Questions

Explore