Curated OER
Simple Machines III - Pulleys
The principles behind pulleys, levers, and simple machines are the focus of a science lesson. In it, learners take part in a whole-class activity. There are two groups of pupils who each must lift objects with fixed pulleys and multiple...
Curated OER
Simple Machines: Pulleys
Students observe and analyze how pulleys work and how a double pulley can make work easier. In small groups they use a fixed pulley system and a double pulley system and draw a picture of how their pulley system functions. Students...
Curated OER
Is a Pulley a Special Kind of Lever?
Fifth graders use information from their text to read and discuss pulleys and levers. They examine a top sketch of the arrangement of a fixed pulley. Working in groups, 5th graders perform experiments to test the effect of using a pulley...
Curated OER
Simple Machines III - Pulleys
Fourth graders are introduced to a spring scale to show that the forces on both sides of the pulley are the same. They break into groups to lift objects with fixed pulleys and with multiple looped pulleys and then measure the force...
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...
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Powerful Pulleys
Students 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.
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Investigating Pulleys
Learners investigate pulleys and see how they have a mechanical advantage in lifting heavy loads. In this pulley lesson students make a hypothesis, complete and experiment then complete a worksheet.
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Stop Pulling My Bot Around!
Students investigate the relationship between work and mechanical advantage. In this physics lesson, students calculate the work and efficiency of pulleys. They identify the different types of pulleys.
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Simple Machines
Learners explore the concepts of force and effort by observing simple machines. In this physics lesson, students attempt to sharpen a pencil without any help, bite into an orange with their lips curled over their teeth, and other...
NASA
Heavy Lifting
Astronauts need a way to lift heavy objects. Pupils design and build a crane out of cardboard and determine ways to improve their cranes based upon the outcomes of testing.
Curated OER
Simple Machines
Students are introduced to a scenario: a ramshackle house is in need of repair. The roof leaks, the refrigerator is broken, it needs paint, etc. They are explained that in order to repair the home, students must use tools. Students...
Curated OER
Secrets of Lost Empires I-Colosseum
Sixth graders identify how to use pulleys to change the direction of force. Students develop ways to evaluate designs, noting that no one best design exists and that different tasks require different designs. Students designs will vary.
Curated OER
Building A Sturdy Car
Students build a sturdy Lego car using a motor and a pulley. They determine how sturdy the car is by dropping it from the height of the teacher's knee.
Curated OER
Simple Machines
Students engage in a activity that explores the concept of simple machines. They view a powerpoint media presentation and then are introduced to adult volunteers for the activity. Each volunteer is at a station with a simple machine and...
Curated OER
Learning the Basic Levers...One, Two, Three: Different Basic Arrangements Levers
Fifth graders read information about levers. They complete worksheets to summarize their learning. This lesson relies heavily on the Silver Burdett Ginn text, Science Discovery Works, Energy, Work, and Machines. The lesson will not be...
Curated OER
Simple Machines make work easier.
Students examine how simple machine work can make work easier. In this machines lesson students complete an activity that shows them what makes up a machine, and how to measure displacement and velocity.
Curated OER
Exploring Simple Machines
Students investigate simple machines. For this simple machines lesson, students study how simple machines work. Students determine the function of various simple machines.
Curated OER
A Focus on Mechanical Friction
Young scholars explore mechanical friction. They perform experiments to observe the direction of mechanical motion and the difference between rolling and sliding friction. Data results on the experiments are recorded and students...
Curated OER
Newton's Second Law of Motion
Sixth graders study Newton's second law of motion and verify it. In this force and motion lesson students complete a lab activity and collect data, analyze it and graph it.