Cans for Coasters: Grace Hartman sixth graders make speedy delivery to Helping Hands
(ROCKWALL ISD-January 23, 2013) Sixth grade students at Grace Hartman Elementary have been studying forces and motion. Using this knowledge, they built their own roller coasters to demonstrate acceleration, velocity, potential and kinetic energy and calculated the speed. After testing the coasters they decided to share their experience with the other students on the campus […]