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NSTA Web Seminar: Force and Motion: Stop Faking It!

LIVE INTERACTIVE LEARNING @ YOUR DESKTOP. NSTA Web Seminar: Force and Motion: Stop Faking It! . Thursday, January 15, 2009. Force and Motion. Circular motion Different frames of reference Gravitational forces Orbiting things. Circular motion.

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NSTA Web Seminar: Force and Motion: Stop Faking It!

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  1. LIVE INTERACTIVE LEARNING @ YOUR DESKTOP NSTA Web Seminar: Force and Motion: Stop Faking It! Thursday, January 15, 2009

  2. Force and Motion • Circular motion • Different frames of reference • Gravitational forces • Orbiting things

  3. Circular motion

  4. In order to make an object go in a circle, you must exert a force Use your clip art to respond

  5. You have a string tied to an object. In which direction(s) can you exert a force on the object using the string?

  6. You have a string tied to an object. In which direction(s) can you exert a force on the object using the string?

  7. In order to make an object go in a circle, you must exert a force Use your clip art to respond

  8. Centripetal force is... Use your clip art to respond

  9. Let’s Pause for Two Questions from the Audience

  10. Different frames of reference

  11. As a car rounds a sharp curve, you slide to one side because you’re not wearing your seatbelt.

  12. What caused you to slide to the side of the car? Use your clip art to respond

  13. It depends on your frame of reference. Here’s the situation as viewed from outside the car:

  14. When viewed from inside the car, there is a centrifugal force that pushes you away from the center of the circular path the car is taking.

  15. Which of the following are true? Use your clip art to respond

  16. A “spin and barf” ride as seen from outside the ride:

  17. A “spin and barf” ride as seen from inside the ride:

  18. Let’s Pause for Two Questions from the Audience

  19. Gravitational forces

  20. Science Simulation from Gravity and Orbits Science Object

  21. Weight is: Use your clip art to respond

  22. Is it possible to be weightless in outer space? Use your clip art to respond

  23. It can seem to you that you are weightless when in orbit Earth

  24. You can create your own gravity in space

  25. Let’s Pause for Two Questions from the Audience

  26. Orbiting things

  27. Which drawing shows the forces acting on the Earth as it orbits the sun?

  28. Thank you! Let’s Pause for Two Questions from the Audience

  29. Thanks to our presenter, Dr. Bill Robertson, and to NSTA Press for sponsoring this program

  30. Elluminate logo http://www.elluminate.com

  31. NLC screenshot http://learningcenter.nsta.org

  32. NASA: Discover the Universe – From Galileo to Today • January 20,2009 • The NSTA Learning Center - Focus on Teachers • January, 21, 2009 • Picture-Perfect Science Lessons: Using Children’s Books to Guide Inquiry, Grades K-4 • January 22, 2009 http://learningcenter.nsta.org

  33. National Science Teachers Association Dr. Francis Q. Eberle, Executive Director Zipporah Miller, Associate Executive Director Conferences and Programs Al Byers, Assistant Executive Director e-Learning NSTA Web Seminars Paul Tingler, Director Jeff Layman, Technical Coordinator LIVE INTERACTIVE LEARNING @ YOUR DESKTOP

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