1. APRIL 17, OBJECTIVE – Students will develop a perspective of distance in space. WARM-UP – Using your own electronic device or assigned laptop, go to my weebly site, Unit 4, Habitable Planet Page and watch the video “Why Mars Died and Earth Lived.” Complete the video questions on your table. HOMEWORK – What a Planet Needs to Sustain Life Video Questions (Weebly, Unit 4 Habitable Planet) – 4/18
AGENDA – Check and review What Makes Earth Special Article Questions
Scale Size Ws and video

2. SCALE FACTORS
Relative size of X = Relative size of Y True size X True size of Y (Scale factor) - If Earth is the size of a ________