Components of the Universe - Scale and Size

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Contributor:: Heidi-Katheryn Crowhurst
Grade Level:: 6-8
Product Type:: Interactive PPT with activities
File Type:: PPT
Pages:: 45
Answer Key:: Yes

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5E Lesson: Components of the Universe – Size
Lesson Objective:
Students will –
-use everyday objects as models to compare and contrast the size of different components of the universe.
-identify advantages and limitations of models such as size, scale, properties, and materials.
Engage 1: Students will sequence various components of the universe from largest to smallest. Interactive answer key included.
Explore 1: Salt Model Demo. Students will work in groups to make a model of the spiral shaped Milky Way Galaxy. Includes analysis questions and analogies.
Explain 1: Advantages and limitations of models.
Elaborate 1: What Does One Billion Look Like?
Evaluate 1: Check for Understanding using standardized test-formatted questions.

Engage 2: Making a Mental Model: How Big is the Milky Way?
Explore 2: Investigating Scale Size – What if the Universe was the size of the classroom…..
Explain 2: Students will define the components of the universe using a foldable. Terms to Know: Universe, Galaxy/Milky Way, Solar System, Stars/Sun
Elaborate 2: 3 minute video clip: How Big is the Universe?
Evaluate 2: What is Your Cosmic Address?

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