How to make a water bottle rocket

Building water rocket is a fun and easy way to demonstrate Newton's third law, In every action, there's an equal and opposite reaction. All rockets are based on this principle. Materials : - Cork - play doh or clay - Bicycle pump - Bicycle pump valve - Tape - Thin stiff cardboard - Glue - Paper - Soda bottle ×2 Create the nose cone • Roll a piece of paper into a cone wide enough to fit on the bottom of the bottle. Feel free to use colored paper. • Wrap the cone with tape so as to make it more durable and water-resistant. Add ballast to the rocket The ballast gives weight to the rocket which makes the rocke...