
Create a Sustainable "New Earth City"

Engage your students with a hands-on Earth Day STEM Activity where they design and build a sustainable city on a newly discovered planet, Planetopia!
This interactive, cross-curricular challenge fosters creativity and teamwork while addressing real-world environmental issues, perfect for grades 2–8.


Build a Sustainable Future with This Earth Day STEM Challenge!
Get ready to inspire your students with this hands-on Earth Day STEM Activity where they will design and build a "perfect" city on a newly discovered planet (Planetopia)!
Whether for Earth Day Science lessons or year-round sustainability projects, this activity helps students think critically about sustainability and the impact of their designs.
Design and construct a sustainable city that meets people's needs and environmental concerns.
Follow real-world engineering constraints to guide their designs.
Test their shelters and analyze their effectiveness.
The Challenge:
Students work individually or in teams to:



What’s Included?
Everything you need to implement seamless and engaging STEM activities:
Teacher Support
- Video walk-through of the challenge and STEM implementation tips to make prep a breeze
- Step-by-step instructions, modifications for different grade levels, and extension activities.
Editable Student Handouts:
- Criteria & constraints lists
- Analysis templates
- Reflection questions
- Data measurement handouts in three levels to calculate length, perimeter, area, and volume of city structures
Bonus Extension Handouts / Activities:
- Measuring and classifying triangles in New Earth City
- Process flow maps for engineering practice
- Math extensions to calculate and analyze designs
Perfect for:



Materials Needed:
- Assorted craft materials & recyclables
Why You'll Love This Activity:




