Simple Machines-Grade 4
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Forces - Springs/Direction If an elastic band (or spring) is stretched, it pulls on whatever is stretching it.
MIKIDS - Simple Machines Simple machines make work easier for us by allowing us to push or pull over increased distances. There are six simple machines. . .
Edheads - Simple Machines Learn about simple and compound machines while you explore the House and Tool Shed!
Simple Machines The purpose of this web site is to teach elementary students about the six simple machines. Each of the machine pages contain information and activities for the students to use.
Inventors Toolbox: The Elements of Machines These devices were all in common use for centuries before Leonardo's time. Each one makes work easier to do by providing some trade-off between the force applied and the distance over which the force is applied.
Simple Machines A machine is a tool used to make work easier. Simple machines are simple tools used to make work easier. Compound machines have two or more simple machines working together to make work easier.
Pulley System You can raise or lower the load with the mouse. If you click on the mouse button, a spring balance will appear showing the tension in the string. You can change the weight of the load and the hanging pulley(s) by using the appropriate boxes.
Science of Cycling The Science of Cycling is the second in a series of three planned sports science resources. These sites focus on the science behind popular spectator and recreational sports.
How Gears Work Gears are used in tons of mechanical devices. They do several important jobs, but most important, they provide a gear reduction in motorized equipment.
The Incredible Lever The Greek scientist Archimedes once claimed that if he had a point of support, he'd be able to move the world. He was referring to the lever's amazing ability to make heavy lifting easier. In the following demonstration a child uses a lever to lift an adult.
Lesson Plans/Classroom Activities
Learning about Levers
Moving Along with Simple Machines-Week 1
Moving Along with Simple Machines-Week 2
Moving Along with Simple Machines-Week 3
Moving Along with Simple Machines-Week 4
Coupled Resonant Pendulums
L to L: Additional Lesson Plans/Classroom Activities
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