Curated OER
Simple Machines IV - Wheels and Axles
Youngsters are introduced to the basic principles and uses of the wheel and the axle. They come up with every day examples of simple machines and look into why the wheel and the axle are best-used as a paired machine instead of used...
Curated OER
Round and Round--Wheels and Axles
In this wheels and axles learning exercise, students read a 1 page article, make a list of how many objects they can find or think if that uses a wheel or axle and then design their own machine.
Curated OER
Wheels and Axles 1
Students investigate how and why wheels are used in different types of machines. They work in teams trying to move a heavy box with and without dowels and discuss which way is easier to move the box. Next, they conduct an experiment...
Curated OER
Simple Machines V - Wheels and Axles and Gears
Fourth graders investigate the principles and uses of gears, and examine how gears can be used to alter the direction of motion or the speed of an object. They observe two cars with different sized wheels roll down an inclined plane,...
Curated OER
Wheels, Gears, and Compound Machines
Fifth graders read selected pages from their science text and explain forces affected by wheels and axles. They read and discover that gears transfer forces and that gear combinations relate to compound machines.
Curated OER
LEGO Construction Basics-Axles and Wheels
Students examine axles and wheels using LEGO materials. They investigate the uses of axles, gears, and wheels.