# 5-ESS1-1 Proficiency Scale

 Performance Indicator/Expectation:5-ESS1-1: Support an argument that differences in the apparent brightness of the sun compared to other stars is due to their relative distances from the Earth. 1. Beginning 2. Developing 3. Proficient 4. Expanding I can identify evidence that supports the argument that stars are different distances from the Earth. I can support an argument when given evidence that the sun appears larger and brighter than other stars because it is closer to the Earth. I can find and evaluate evidence to support an argument that the sun appears larger and brighter than other stars because it is closer to the Earth. I can construct and support an argument that relates size and distance to the apparent brightness of an object to Earth.