pulleys

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Describe how pulleys work and what they can be used for and provides three experiments using pulleys.

'Pulling Up' explores the benefits and uses of the pulley. RobbO and RobbEE need to build a pulley to move the engine in a car. They find lots of other uses for a pulley too.

Provides quick simple machine experiments using seesaws, wheels, pulleys, and more.

Presents a children's book for early readers that describes how pulleys are used and how they can make work much easier.

Describes how levers and pulleys make lifting and moving things easier.

Describes many different kinds, uses, and benefits of pulleys.

Provides a simple introduction to the use of levers, pulleys, and wheels to move heavy objects.

Introduces the science of how pulleys work and describes different kinds of pulleys and the jobs they do.