The Coolest Machine Ever!

What do simple machines help us do?

• Make work harder

• Make work easier

• Make things disappear

• Make things bigger

What is a lever made of?

• A long straight object balanced on a fulcrum

• A wheel with a groove

• A ramp

• A wheel and an axle

What happens in a chain reaction?

• One action stops everything.

• One action causes another action, which causes another.

• Many actions happen at the same time.

• Nothing happens.

What kind of tasks are Rube Goldberg machines designed to do?

• Very hard tasks

• Very simple tasks

• Tasks that are impossible

• Tasks that are dangerous