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
Can You Bear It? Pulleys, Gears, Forces, Structures and Mechanisms
Students review the types of simple machines. As a class, they focus on the positives and negatives of pulleys and gears and identify what pulleys and gears change of an object. They work together to design their own object to support a...
Curated OER
Simple Machines
Fourth graders choose a simple machine and write about they way they believe it will work. Students experiment, write down procedures used and record observations. They will find a picture of the machine and add it to their report.