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,...
ProCon
Drinking Age
Eighteen is the age of adulthood in the United States, but 21 is the legal drinking age. Pupils use the provided website to determine whether the age to legally purchase and consume alcohol should be lowered. They weigh the pros and...