Identify some simple machines you might see around your house, at school or other places in you daily life.
Explain how these simple machines "do work" for us.
A Rube Goldberg machine is a contraption, invention, device, or apparatus that is deliberately over-engineered to perform a simple task in a complicated fashion, generally including a chain reaction. The expression is named after American cartoonist and inventor Rube Goldberg (1883–1970). (https://en.wikipedia.org/wiki/Rube_Goldberg_machine)