Lever Eureka! CKLA 4th Grade

What does the size of the mechanical advantage depends upon?

• The location of the fulcrum
• The size of the lever
• The coffee table's size
• The principle of speed

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

• Screw
• Load
• Fulcrum
• Beam

What is the name of the object lifted by a lever?

• Effort
• Load
• Mechanical advantage
• Fulcrum

What is the name of the hinge or support that the beam of a lever rests on?

• Load
• Effort
• Fulcrum
• Mechanical advantage

What is the name of the work put in to operate a lever?

• Fulcrum
• Effort
• Load
• Mechanical advantage

Which of the following is an example of a lever?

• Screwdriver
• Wrench
• Seesaw
• Water Bottle

What is the name of the ancient Greek scientist who figured out the math of how levers work?

• Galileo Galilei
• Isaac Newton
• Archimedes
• Albert Einstein

What did Greek scientist Archimedes say?

• “Give me a place to stand, and I shall move the earth.
• "I shall love a good see-saw going up and down."
• "Don't you just LOVE levers!?"
• "Levers are simply the best simple machine ever."

True or False? Like all the simple machines, the lever provides a mechanical advantage allowing you to do more with less effort.

• True
• False
• Both
• Neither

Why is a see-saw an example of a lever?

• It is fun to play on.
• It goes up and down on a fulcrum.
• It is made from a board.
• It is made for children.