Urbana School District
Energy, Work, Simple Machines
The tension of the 236 strings in a grand piano exert a combined force of 20 tons on the cast iron frame. The presentation includes topics such as work, forms of energy, conservation of energy, gravitational and elastic potential energy,...
It's About Time
Making Waves
Young scientists use Slinkys to better understand waves. After creating and measuring many aspects of waves, they complete a handout and homework questions. The resource also introduces the final project for the chapter, though...