Colorado Unit Writing Project
Simple Machines
Planning an elementary science unit has never been simpler! These twelve lessons guide young scientists through an exploration of simple machines and their many uses in the real world before asking them to apply their learning in the...
PBS
Blow the Roof Off!
Blow the minds of young scientists with this collection of inquiry-based investigations. Based on a series of eight videos, these "hands-on, minds-on" science lessons engage young learners in exploring a wide range of topics from making...
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
Simple Machines-Pulleys
Third graders understand what a pulley is and how it works. In this simple machines, pulley lesson students experiment with broom sticks creating a pulley. Students observe how the pulley moves in its different trials.
Curated OER
Lifting the Load
Third graders analyze the pulley and demonstrate how forces cause changes in speed and direction of objects.