Скачать или смотреть Physics marble track review part one // Homemade Science with Bruce Yeany

track material is easy to work with and cheap. it is called shelf bracket tracks or shelf uprights. I have seen various hardware stores and building supply stores carry it, one company that makes it is Rubbermaid. E5 shelf upright. available at Home Depot, Last time I checked, Lowes does not carry it

https://www.homedepot.com/p/Rubbermai...

Introduction song. is an Apple jingle found in the iMovie media files, the title is called "catwalk, medium"

For more information and explanations on any of the tracks demonstrated in this video, see the following posting.

High road low road race part 2
   • High road low road race, potential ki...  
High road low road track race part one
   • High road low road track race, potent...  
Random answer devices
   • Random answer devices /// Homemade Sc...  
Identical track race
   • Identical track race science /// Home...  
Galileo’s Inertia track
   • Galileo's Inertia track////Homemade S...  
Activation Energy Analogy
   • Activation Energy Analogy///Homemade ...  
String less pendulum
   • Stringless pendulums/// Homemade Scie...  

One last note, I've had some comments on me mispronouncing height as heighth. My possible responses:

1. sometimes I get nervous in front of the camera and have moments where my brain shuts down.

2. We grew up pronouncing it that way.

3. We all make mistakes.....but is it really a mistake ?

4.. Merriam Webster dictionary to my rescue- Heighth- expressed as a dialectal variant of the word height. Part that rises or extends upwards, the highest part