Curated OER
Tree House Escape!
Students participate in a role play in which they use simple machines to do the work of retrieving their sibling from a tree which lost its ladder. They investigate how work is accomplished when an object moves in the direction of the...
Curated OER
Moving Objects
Second graders investigate pushing and pulling. In this lesson on how objects move, 2nd graders experiment with marbles to see how one marble can be moved by getting hit by another marble.
Curated OER
Simple Machines/Technology/ Force
Third graders study and define force. They determine that the cause of movement is pushing or pulling which are the types of force used when operating simple machines. They experiment to determine which object requires the most amount of...