Ultimate STEM Challenge 2026/27

Asteroid Action Force

Could your students help save Earth? The Asteroid Action Force is recruiting!

Your students’ mission is simple:

  • Learn about asteroids and planetary defence.
  • Investigate real-world techniques used to protect Earth.
  • Create a planet-saving invention of their own.
  • Win out of this world prizes.

This ready-to-use challenge combines science, creativity and teamwork in a single lesson, with extension activities available for schools that want to go further.

Terms & conditions apply

  • Ages 9-14
  • Free to enter
  • Prizes to be won
  • Deadline: 30/04/27

How to enter

Complete The Ultimate Asteroid Defence Challenge with your class for a chance to win out-of-this-world prizes.

  1. Run the challenge

    Use the ready-made presentation and delivery guide to run the lesson with your class.

  2. Design a defence solution

    Pupils come up with their own planetary defence invention, and explain why it's the ultimate defence solution.

  3. Send in your entries

    Email or post your class's entries to us using the freepost label.

Prizes

Winner

An in-school masterclass from the National Space Academy

The winning entry wins an immersive in-school workshop delivered by the National Space Academy.

Runners-up

An iPad each for two runners-up

Two runners-up will each win an iPad for their school.

Prize draw

Pin badges and a class telescope

Plus, every take-home mission sheet sent in goes into a draw to win Asteroid Action Force pin badges and a telescope for the class.

What past winners have said

Taking part in the Ultimate STEM Challenge was really fun... it made me think more about how science can help the world. When we found out we'd won, I was actually speechless. It felt like our ideas really mattered!

Winning the challenge felt amazing – it showed us that young people can come up with real solutions.

Taking part in the Ultimate STEM Challenge was an amazing experience. We learned so much... We learned about new careers and the challenge made us feel like real problem-solvers.

Taking part in the Ultimate STEM Challenge was one of the most exciting things we've done this year. We loved having the chance to be creative and solve real-world problems.