Ecosphere Duel

Pick a kit — then 2–4 players take turns on one device. Same questions for everyone; highest first-try score wins.

Choose a kit

Kit 1: Earth's Four Spheres grades · 25 questions Kit 2: The Carbon Cycle grades · 25 questions Kit 3: The Water Cycle and Climate grades · 25 questions Kit 4: Ecosystems and Energy Flow grades · 25 questions Kit 5: Weather and Climate Patterns grades · 25 questions Kit 6: Human Impact on Earth Systems grades · 25 questions Kit 7: Natural Resources and Energy grades · 25 questions Kit 8: Climate Change Science and Solutions grades · 25 questions Kit 9: Biome Diversity grades 6-8 · 25 questions Kit 10: Aquatic Ecosystems grades 6-8 · 25 questions Kit 11: Human Impact on Ecosystems grades 6-8 · 25 questions Kit 12: Conservation Biology grades 6-8 · 25 questions Kit 13: Cross-Topic Connections grades 5-6 · 25 questions Kit 14: Real-World Applications grades 6-7 · 25 questions Kit 15: Misconceptions & Reasoning grades 6-7 · 25 questions Kit 16: Advanced Synthesis grades 7-8 · 25 questions