Understanding Simple Machines: Levers, Pulleys, Screws, and More

Jeopardy Wheel & Axel Incline Plane & Wedge Screw Pulley Lever Q $100 Q $100 Q $100 Q $100 Q $100 Q $200 Q $200 Q $200 Q $200 Q $200 Q $300 Q $300 Q $300 Q $300 Q $300 Q $400 Q $400 Q $400 Q $400 Q $400 Q $500 Q $500 Q $500 Q $500 Q $500 Final Jeopardy

$100 Lever The main part of a lever is a bar or rod which balances on a _________________.

$100 Answer Lever fulcrum

$200 Lever Name a playground toy that is an example of a lever.

$200 Answer Lever seesaw or digger (scooping toy)

$300 Lever What do levers help us do?

$300 Answer Lever Lift more than we can on our own.

$400 Lever What do you call the object or thing that is being lifted when you use a lever?

$400 Answer Lever load

$500 Lever How many classes of levers are there?

$500 Answer Lever Three

$100 Wheel & Axel A doorknob is an example of ________.

$100 Answer Wheel & Axle Wheel and axle

$200 Wheel & Axle The small force exerted on a wheel results in a ____________ force on the axle.

$200 Answer Wheel & Axle Larger/greater

$300 Wheel & Axle An example of a wheel and axle that is used to push something into another object would be a_________.

$300 Answer Wheel & Axle screwdriver

$400 Wheel & Axle Which screwdriver will require the LARGER effort? A small screwdriver or a large one?

$400 Answer Wheel & Axle the smaller screwdriver requires more effort

$500 Wheel & Axle The definition of a wheel and axle is.

$500 Answer Wheel & Axle alarge wheel secured to a smaller wheel which is called an axle.

$100 Screw What is the definition of a screw?

$100 Answer Screw An inclined plane wrapped around a pole.

$200 Screw What is a name for a screw that is used to bring water from a low area to the surface?

$200 Answer Screw Archimedes’ Screw or screw pump

$300 Screw What example of a screw is used to keep you jelly from falling out of the jar?

$300 Answer Screw Jar lid

$400 Screw If you were wanting to hold a piece of wood steady while you sawed or sanded it, what kind of screw device would you use?

$400 Answer Screw vice or clamp

$500 Screw What other simple machine is part of the screw?

$500 Answer Screw an inclined plane

$100 Pulley A flagpole uses what kind of pulley?

$100 Answer Pulley fixed pulley

$200 Pulley A crane uses which two kinds of pulleys?

$200 Answer Pulley fixed and moveable pulleys

$300 Pulley Two or more pulleys working together make work _______.

$300 Answer Pulley easier

$400 Pulley The definition of a pulley is.

$400 Answer Pulley simple machine that uses wheels and a rope to raise, lower or move a load.

$500 Pulley What kinds of complex machines use pulleys?

$500 Answer Pulley elevators, tow trucks, cranes

$100 Incline Plane & Wedge What are the definitions of an inclined plane and wedge.

$100 Answer Inclined Plane & Wedge An inclined plane is a slanting surface connecting a lower level to a higher level. A wedge is an object with at least one slanting side ending in a sharp edge, which cuts material apart.

$200 Inclined Plane & Wedge If you had to bring a heavy box from the ground to a place five feet up, which would make this job easier?

$200 Answer Inclined Plane & Wedge inclined plane

$300 Inclined Plane & Wedge An axe is an example of a _______.

$300 Answer Incline Plane & Wedge wedge

$400 Incline Plane & Wedge An example of an inclined plane used to allow wheel chairs to get into buildings is a ________.

$400 Answer Incline Plane & Wedge ramp

$500 Incline Plane & Wedge What shape are most inclined planes and wedges?

Understanding Simple Machines: Levers, Pulleys, Screws, and More

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