Earth DetectivesEarth Changes · K5 · Review & Lessons 9–11
Expedition briefing
EarthDetectives
The Earth is always changing. Drill to the core, shake a city, dive to the deepest point of the ocean and dig up a 390-million-year-old fossil. Every mission needs one thing: you, speaking English.
Expedition map
Choose your mission
Review zones are quick. New zones teach Lessons 9, 10 and 11. Finish with the Final Challenge.
Review Lessons 1–8 · about 3 min each
New Lessons 9–11 · about 6 min each
Final All lessons
Final challenge · all lessons
Flip a card. Prove it.
Correct answer: +1. Red cards are wild cards: +2.
Certified Junior Geologists
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Kid's Garden · Earth Changes · K5