Knowledge_On-The-Go_Grade-5Level 5 Module 4 LESSON 3: The sky

In Lesson 3, students explore the Phenomenon Question: What separates Earth from outer space? Students determine that Earth’s atmosphere is made of gas particles (CC.5) that scatter sunlight. Students apply their knowledge of gas particles from Module 1 to wonder why gas particles in the atmosphere do not spread out into outer space.






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