newKPSC

The Kings Park High School Student Center

100_4730

Recent News and Updates

Welcome to The Kings Park High School Student Resouce Center. This center will consist of many various topics that can be useful for you in and out of school.

To the left, you will find the navigation bar. Use this to find whatever you need on the site. Wether it be teacher podcasts, recent assigned homework or the forums, use it as your site guide.

Find any errors, broken pages or bugs on the site? Please contact the developers with a description of the error and when the error occured. Please visit the Contact Form

 

Video of the week

line

Aaron Keller, Chemistry teacher, demonstrates the amazing properties of liquid nitrogen. He explains each demonstration in an understandable way. The temperature of liquid nitrogen is -196C (-321F). He explains how a dewar flask works. He pulls balloons out of a cooler, showing the expansion of a gas as it warms. He demonstrates the explosive power of the expansion of liquid nitrogen in an enclosed container. Liquid nitrogen is so cold that the floor is like a hot griddle. Liquid nitrogen has a very low viscosity. He demonstrates how brittle a flower becomes when frozen in a liquid nitrogen bath. Finally, he shows how to shatter a racquetball. As a bonus he shows how nitrogen gas can be used to put out a candle flame.