Teachers, save “Dark matter: The matter we can't see” to assign it to your class.

As a class, watch the TEDEd video "Dark matter: The matter we can't see" 1. Tap on 2. Click on Think 3. Answer the multiple choice questions. 4. Take a screenshot of your results and your to Seesaw 5. Tap 6. Add a comment to your photo to answer the question: Who was one of the earliest Greeks to develop the theory of atomism? 7. Tap