🔬 Science Activity

Build & Launch a Rocket

Learn what makes a rocket fly by building and launching you own water-powered bottle rocket — a classic STEM activity for school children in India.

🎓 Grade ⏱ 45–60 min ⭐⭐ Medium 👨‍👩‍👧 Adult supervision needed
🚀
📋 How to Do This Activity
1
Step 1

Build the rocket body using soda bottle wrapped with construction paper

2
Step 2

Cut triangular fins from cardboard and attach around the bottle bottom

3
Step 3

Roll construction paper into a cone and tape to the nose of the rocket

4
Step 4

Fill the bottle one-third with water as the propellant

5
Step 5

Invert on air pump needle, point safely, pump air until rocket launches

🧠 What Your Child Will Learn
🏃
Force & Motion

💨
Air Pressure

⚖️
Newton's Third Law

✈️
Aerodynamics

⚠️ Safety Notes
• Adult must be present during launch at all times
• Always point rocket at a clear open outdoor area
• Stand back at least 2 metres before pumping
• Do this activity outdoors only
• Do not overpump — stop when rocket launches
📚 School Board Alignment
School Board Topic Covered Grade
NCERT/CBSE Force and Motion, Air and its Properties Grade 3–5
Samacheer Kalvi Force, Motion and Energy Standard 3–5
Cambridge Forces and Motion Stage 3–5
Oxford Forces, Science Inquiry Skills Grade 3–5
Try This With STEMLab! 🚀

Want your child to do this activity with expert guidance? Register for our STEM programme or the Math Model Makers Competition 2026.

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