1.1 The Challenge
video
Note: Click on the Play/Pause button to watch/stop the video. Use the other controls to change the volume, speed, quality, and size of the video. You also can use the blue circular … button to add the video to your Watchlist. When you’re done watching the video and participating in the Discussion to the right of the video player, click on the blue Mark Complete button below the video to indicate that you’ve completed this course element.
World Science U
Note: Discussions are a place where you can let your fellow Scholars read your ideas on various issues and questions that follow from the material we’re covering. Share your ideas and questions about The Challenge video.
Reply
×
Share with others
Select this checkbox if you want to share this with all users
Please enter message
Explain why you want them to see this