National Park Service
Pulley Systems Used at Fort McHenry
What a great opportunity to integrate science into your lesson on the War of 1812! Discover how pulley systems were used to move 1,000 lb. cannons at the Battle of Fort McHenry, and to raise the flag that would inspire Francis Scott Key...
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
Children's Literature Across the Curriculum Ideas-The Gadget War
Students read The Gadget War by Betsy Duffey. They complete a variety of cross-curricular activities surrounding inventors and inventions. Included are reading, art, math, science, writing, social studies, and library connections.
Curated OER
Simple Machines and Modern Day Engineering Analogies
Students apply the mechanical advantages and problem-solving capabilities of six types of simple machines (wedge, wheel and axle, lever, inclined plane, screw, pulley) as they discuss modern structures in the spirit of the engineers and...
Curated OER
Simple/Complex Machines
Students make a simple machine. In this physics lesson, students learn about six types of simple machines and the purpose of each and brainstorm examples of simple and complex machines in the classroom. Students create a simple or...
Curated OER
Make Life Simple
Students examine six simple machines by looking at pictures of real world objects.
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.
Curated OER
Invention
Students create an invention, or simple machine, out of items taken from the recycling bin. Students draw diagrams of their proposed inventions, then create simple machines.
Curated OER
Forces Applied to an Object
Fourth graders predict, observe, and compare what happens when a force is applied to an object. In this forces lesson, 4th graders complete a 'swinging hammer' activity to learn about forces and motion.