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Sep 07, 15

A video showing the effect of air pressure on an object- namely that air pressure is a pushing force on ALL sides of an object, so removing all the air (and thus air pressure) has no net effect on the forces acting on an object.

Aug 25, 15

Nice demonstration of the triple point- using high pressures to force CO2 into the liquid phase.

Aug 20, 15

A list of digital tools for physics shared by Frank Noschese

Aug 13, 15

Interactive tutorials on waves for physics.

Aug 13, 15

An activity that requires students to attempt to build a boat with the best Cost / Weight ratio in a limited amount of time. Nice introduction to modeling and classroom culture.

Aug 13, 15

A fun activity designed to get students thinking about momentum and what will happen in different situations.

Jun 04, 15

A crowdsourced lab report checklist initiatied by Casey Rutherford. Some excellent ideas here.

May 27, 15

Video riding along with the race car then from the infield.

Can be used to analyze the sound and how the sound differs between the two frames of reference.

  • For one thing: yes, schools should "belong to the community," precisely because such neighborhoods--or collectivities of neighborhoods--must be strengthened if democracy is to survive.  Since I also believe that institutions are best governed by those with the closest "self-interest," schools need to be organized to privilege the staff, the families. and the students directly involved.  Small, self-governing community-based schools, well and equally funded by the state and federal government seem wisest to me at this time in our history.  
Apr 28, 15

Simulation of collision carts colliding. Can change the mass of carts, the initial velocities, and the type of collisions.

Apr 10, 15

Great visualization of the H-R diagram- makes much more sense than just throwing a H-R diagram at students right away.

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