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Instructional Case

Circular and Planetary Motion

title of IC:

author: Joseph Saikali

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teacher: Joseph Saikali

school: Damien High School

course/grade: AP Physics C/11-12

district:

email: saikali@damien-hs.edu

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Instructional Case

How is it possible that celestial bodies are in a state of perpetual motion without thrust?

generative question:

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Instructional Case

1. e. Students will relate the universal law of gravitation and the effect of gravity on an object at the surface of Earth.

1. f. Students will show that by applying a force to an object perpendicular to the direction of its motion causes the object to change direction but not speed (e.g., Earth’s gravitational force causes a satellite in a circular orbit to change

direction but not speed).1. g. Students will model circular motion with the required application of a

constant force directed toward the center of the circle through the equation .

1. l Students will solve problems in circular motion by using the formula for centripetal acceleration in the following form: .

1. m Students will solve problems involving the forces between two masses at a distance (universal gravitation) using the form:

learning objectives (key standards):

r

mvFc

2

r

vac

2

221

r

mGmFG

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Instructional Case

•Class observation•Homework•3 to 5 minutes quizzes•Activities performance•Lab performance•Full period Chapter test•Project

assessment overview:

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Students will research, investigate, and build a model that represents the perpetual motion of planets and satellites without thrust.

culminating project:

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Lessons:•Centripetal acceleration•Centripetal Force•Universal gravity•Gravity near the earth’s surface•SatellitesActivities:•Centripetal Force•Project

key lessons & activities:

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•Rotating water cup.•Uniform Circular motion Lab.•On going project.

5E inquiry activities:

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•Demonstrations•Lectures•Inquiry based projects•Hands on projects and lab•Sample and guided numerical examples•News clip•Engagement activities

integrated pedagogy:

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http://phet.colorado.eduhttp://www.nasa.gov/home/

http://www.natca.org/about/smartskies.msp

NASA resources:

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Knowledge in Core physics subjectGlobal and universal awareness.

Creativity and innovation.Critical thinking and problem solving.

Communication and collaboration.Media literacy

Flexibility and adaptability.Initiative and self direction.

Productivity and accountability.Leadership and responsibility.

21st century skill integration:

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Instructional Case

Have “PHUN” delivering your IC unit

miscellaneous (optional):