After learning about the lever, wheel and axle, pulley, inclined plane, wedge and screw, the students designed a future Hilltop playground, one that included examples of each simple machine studied.

Splitting logs, building canoes, and "uplifting" wedges! Splitting logs, building canoes, and “uplifting” wedges! From axes to canoes to the forks we eat with, the Curious Crew gets a “cutting edge” ...

Did you know that airplanes and spacecraft are covered in wedges? The wedge shape helps them cut through the air as they fly. To learn more about simple machines be ...