Although the Sun's power is most visible at and above its surface, its power originates deep within. Explore the processes that produce the Sun's light, heat, and unpredictable storms.

Play the Sun Lab: http://www.pbs.org/wgbh/nova/labs/lab/sun/

Find discussion questions and other resources in the Sun Lab collection on PBS LearningMedia: http://www.pbslearningmedia.org/resource/nvsl.sci.space.sunenergy/the-suns-energy/