Conveners
112: Parallel 1
- Alina Cichocki (Saint Christopher's School - CSAAPT)
112: Demo make-and-take workshop
- Richard Terwilliger (Retired Physics/Earth Science Teacher - Suffern Central School District, Suffern, NY)
112: Parallel 2
- Jason Sterlace (James Madison University)
Some variations of connecting two inductors in parallel with a battery (along with some current-limiting resistors) will be discussed [1-2]. A switch is used to power the circuit up or down. Interesting aspects of the behavior of the circuits include a response that cannot described by a single exponential, and a contradiction with Kirchhoff's laws if all circuit elements are assumed to be...
Even though we teach electric field lines, most of us probably can’t draw the electric field lines when there are more than two point-charges. I will present a program to draw electric field lines for an arbitrary arrangement of up to 4 point-charges.
At the past few meetings, we presented demos we called "Let it go" and "Defying Gravity." "Let it go" was a demo involving rolling objects downhill. It showed that the speed of the objects at the bottom of the hill depended on the object's moment of inertia. "Defying gravity" was a demo which involved a pair of rails arranged in a V-shape with the open end raised above the closed end. When an...
This presentation will reproduce and discuss a few laboratory exercises that are easy for the students to complete in one class period and offer instant feedback to the student whether they have completed the exercise correctly. These experiments focus on reinforcing major physics concepts while reducing the amount of teacher grading.
This workshop will comprise two different projects.
The first half of the workshop will focus on constructing a standing wave generator that can demonstrate the fundamental frequency or first harmonic, and many of the consecutive harmonics. Also, forced nodes, nodes, antinodes, different wavelengths and frequency can be easily demonstrated using this standing wave generator. These...
Evidence of the wave nature of electrons is given by the fact that electrons can diffract. A common demonstration consists of sending a beam of electrons through a graphite target which results in a bullseye pattern on the fluorescent screen of a cathode ray tube. Due to the crystalline structure of the target, one expects the pattern to be similar to sending laser light through two...
"They don't make them like they used to", a common refrain after even a small collision. Modern cars are frequently left with expensive damage or totaled in even small collisions. This demo uses the complaint that old cars were better as a vehicle for discussing impulse, energy conservation and why it's better that the car breaks instead of you.
Notes:
This demo will use breakaway glass...
We will demonstrate various properties of rotational motion using the Pasco Rotating Platform attached to the Pasco Mechanical Oscillator/Driver motor. Using a three-step pulley on both the rotating platform and the motor allows several ranges of rotational speed. Measurements will be collected by a Pasco interface using a Pasco Wireless Force Acceleration Sensor and a Wireless Motion...
Would you like to razzle, dazzle your students with cool demonstrations that tie theoretical physics to practical everyday applications that your students can relate to? This presentation will show numerous, easy to duplicate, demonstrations and applications that will keep your students actively focused, involved, and motivated. The demonstrations will cover topics in kinematics, optics,...
