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The First Great Lesson
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DiscussionPre-lesson Questions
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Video LessonsThe First Great Lesson
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Experiments and ActivitiesForce of Attraction
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Settling Layers According to Density
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Directions to Make Your Own Volcano
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Beginning of the Universe Nomenclature Cards
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Beginning of the Universe Research Cards
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AnswersAnswer Key: The First Great Lesson

What you’ll learn:
Since the beginning, humankind has wondered about our world. In this lesson, you will discover what people think happened when it all started, and how the Universe and the Earth came to be. Moving through the lesson, you will also learn about the vastness of the Universe, the properties of matter, and the formation of Earth.
Questions to ponder:
- 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?