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The First Great Lesson
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Prep
Planning & Materials -
Discussion
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LessonVideo | The Story of the Universe
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Experiment | Force of Attraction
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Experiment | Settling Layers According to Density
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Experiment | Volcano Model
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Keep ExploringNomenclature | Beginning of the Universe
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Research | Beginning of the Universe
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AnswersAnswer Key | The First Great Lesson

Pre-lesson questions:
Take a few minutes to think about or discuss the following questions before starting the lesson. You can also write about them if you would like.
- Were there always stars in the sky? If not, where did they come from?
- Has the Universe been around forever? What about our planet Earth?
- What is nothing?