Curated OER
Simple Machines
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...
Curated OER
Pulleys and Levers
Fifth graders explore the concept of pulleys and levers. They read and discuss text from the book "It's Science! Machines We Use," and in small groups construct a simple lever and pulley using a Lego Dacta set.
Curated OER
Levers
Pupils 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...
Curated OER
Wheel & Axle Tractor
Students design and build a tractor using LEGO materials. They write and draw their designs.
TeachEngineering
Teach Engineering: The Power of Mechanical Advantage
Students learn about the mechanical advantage offered by pulleys in an interactive and game-like manner. By virtue of the activity's mechatronic presentation, they learn to study a mechanical system not as a static image, but rather as a...
TeachEngineering
Teach Engineering: Gears: Lift It Up!
In this activity, students learn about the trade-off between speed and torque when designing gear ratios. The activity setup includes a LEGO pulley system with two independent gear sets and motors that spin two pulleys. Each pulley has...