Students discover what simple machines are and identify a gear, a pulley, and a lever. In teams, they build at least two models each of simple machines and challenge them with specific instruction cards. Finally, students present and...

Students construct a catapult that shoots a cotton ball at least two meters using Legos, rubber bands, and plastic spoons. They discuss how the catapult works, and identify any problems they had with their experiment.

Students explore optical illusions. Using Legos, they construct and motorize a machine that has an axle that's geared up and geared down, complete a worksheet, and answer discussion questions.

Students practice measurement and geography in this lesson. They build a Lego vehicle using an RCX. They predict how many seconds it will take their vehicle to reach a specific state on the United States of America map that each group of...

Students brainstorm if they think that any lever would use the same amount of paperclips. They break into small groups and use a data sheet as well as a lever, Lego person, fulcrum, and some paperclips and prove what they think by taking...

Students design and build a snowplow using LEGO materials. They compete in an Engineer's Challenge to clear a path through Styrofoam peanuts.

Students design and build a tractor using LEGO materials. They write and draw their designs.

Students investigate and experiement with a 9-volt motor. They will use the connecting wire and battery pack to discover fans.