Lever Eureka! CKLA 4th Grade

Front

Who was the ancient Greek scientist that discovered how levers work?

Back

Archimedes

Front

What is the object that a lever lifts called?

Back

Load

Front

Which of the following is NOT a part of a lever?

Back

Screw

Front

What does the mechanical advantage of a lever depend on?

Back

The location of the fulcrum

Front

What famous quote is attributed to Archimedes?

Back

“Give me a place to stand, and I shall move the earth.”

Front

What is the point called where the lever pivots?

Back

Fulcrum

Front

What is the effort in a lever system?

Back

The force applied to lift the load.

Front

What is a beam in the context of levers?

Back

The long bar that moves around the fulcrum.

Front

What is mechanical advantage?

Back

The ratio of the load force to the effort force.

Front

What is an example of a lever in everyday life?

Back

A seesaw or a crowbar.