5th Grade Science NGSS 5-ESS1-1 Brightness of the Sun and Stars is an engaging and interesting lesson which includes videos, engaging PowerPoint presentations, a lab, and science literacy reading. This lesson is in 5E format, and is aligned with NGSS Standard 5-ESS1-1 as well as Common Core Standards for ELA and Mathematics.This unit is for 5th grade NGSS Performance Expectation 5-ESS1-1. Support an argument that differences in the apparent brightness of the sun compared to other stars is due