Lesson explores the engineering behind the conveyor belt and considers the impact this invention has had on transportation and the coordinated shipping and delivery of goods. Students work in teams to design and build a conveyor system out of everyday materials that can transport pieces of candy 4 feet (120cm). The conveyor must make a 90 degree turn as it moves along. Student teams design their system, build and test it, evaluate their designs and those of classmates, and share observations with their class.
This lesson focuses on the tools and equipment used during technical rescue operations. Teams of students construct rescue devices from everyday materials. They then test their devices to determine whether they can rescue a puppy from a sewer.
This lesson demonstrates the difference between precision and accuracy. Students design a device that can shoot a basketball free-throw shot accurately every time.
This lesson focuses on trebuchet design. Teams of students construct trebuchets from everyday materials. They then test their trebuchets to determine the farthest distance they can hit a target with a marshmallow projectile.
Lesson focuses on simple machines and how they can be found in many everyday items. Students explore the different types of simple machines, how they work, and how they are integrated into many items. Students explore common kitchen machines and identify how many simple machine types are incorporated into each item.
Simple machines: their principles and uses.
Develop a working model of a nail clipper.
Lesson focuses on the concept of force and the use of pulleys to reduce required force.
Lesson focuses on the engineering behind elevators. Teams of students explore principles and requirements of vertical travel, then design and construct a working elevator to service a toy car garage using wheels, pulleys, string, cardboard and other materials.

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