Curated OER
Pyramid Building: How to Use a Wedge
Students explore the simple machine of a wedge. In this wedge lesson plan, students test wedges on different materials including wax, soap, clay and foam. They learn how a wedge was used to build the ancient pyramid and modern day...
Curated OER
Powerful Pulleys
Learners explore the building of a pyramid and how pulleys were used to change the direction of applied force. They demonstrate the mechanical advantage of using a pulley and apply it to modern engineering.
Curated OER
TE Activity: Pulley'ing Your Own Weight
Students experiment with common objects such as spools, string and soap to determine how pulleys make it easier to move large objects. They look at the difference between fixed and movable pulleys. They examine the many uses engineers...
Curated OER
Watch It Slide!
Students work together to examine inclined planes. They create a plan to raise rocks to build pyramids. They discover the changes that occur when the angle is increased or decreased.