Making money is important to teenagers. It is up to your apprentices to determine how much two wage earners make with their after school jobs. Participants work with a table, an equation, and a graph and compare the two workers to see...

Students design, build and evaluate a spring-powered mouse trap racer. For evaluation, teams equip their racers with an intelligent brick from a LEGO MINDSTORMS NXT Education Base Set and a HiTechnic acceleration sensor. They use...

Students learn about and practice converting between fractions, decimals and percentages. Using a LEGO MINDSTORMS NXT robot and a touch sensor, each group inputs a fraction of its choosing. Team members convert this same fraction into a...

Students learn first-hand the relationship between force, area and pressure. They use a force sensor built from a LEGO MINDSTORMS NXT kit to measure the force required to break through a paper napkin. An interchangeable top at the end of...

Find out why computer programmers use jQuery to do form validation.