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Expanding the Universe Lesson Overview

The student will make inferences and explanations based on observations recorded using student-made model of the universe during an investigation using a balloon.


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2 days @ 50 min/day
cooperative groups of 3-4 students
PTI Inquiry
1.1, 1.3, 2.1, 2.2, 2.5, 3.1, 3.2, 3.5, 3.7, 4.2, 4.3, 5.2, 5.8, 7.2, 7.3, 7.4
Lesson Components Time Inquiry Skills Tech. Used Engage Level Brief Description
Engage 5 min (day 1) 1.1, 1.3 Proboard or smartboard, electronic devices 2 Students view and discuss a video clipabout our expanding universe. Then they contemplate if our universe has a boundary and if yes, what might be beyond that boundary.(Alternate also available)
Explore 30 min (day 1) 2.1, 2.2, 2.5, 3.1, 3.2, 3.5, 3.7, 4.2, 4.3, 5.2, 5.8, 7.3 none 3 Students use a balloon to model the universe. They draw three dots representing 3 galaxies in the universe and then blow up the balloon. Taking measurements, they begin to understand how it is that scientists come to believe that the universe is expanding.
Explain 15 min (day 1), 30 (day 2) 7.4 Optional Electronic Devices 2 Students read a piece of given text and use guided/active reading strategies to better understand the concept
Expand 10 min (day 2) 7.3 Optional Electronic Devices 3 Students can make a choice from the choice board to either create a radio show, create a travel brochure or make a song/rap about our expanding universe.
Evaluate 10 min (day 2) 7.2, 7.3 Optional Electronic Devices 2 Students complete a chart with the data from the explore stage. Then students respond to active reading questions as formative assessment and complete a review as a summative assessment.

Level of Student Engagement
1     Low     Listen to lecture, observe the teacher, individual reading, teacher demonstration, teacher-centered instruction
2     Medium     Raise questions, lecture with discussion, record data, make predictions, technology interaction with assistance
3     High     Hands-on activity or inquiry; critique others, draw conclusions, make connections, problem-solve, student-centered

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