Principles of Physics
Famous Scientists
Toys
Simple Machines
Simple Structures
100

The force that attracts an object toward the center of the Earth.

Gravity

100

This scientist "discovered" gravity.

Isaac Newton

100

This toy consists of colored blocks you use to build structures.

Lego

100

This machine is a simple wheel and rope that can be used to lift heavy objects.

Pulley

100

A structure that is used to cross over a divide such as a river or a gorge.

Bridge

200

The amount of movement an object has until it comes to rest.

Momentum

200

This scientist is famous for his equation e=mc2.

Albert Einstein

200

This toy uses gravity and momentum to make a small disk go up and down from your hand.

Yo-yo

200

A moveable bar that pivots on a fulcrum.

Lever

200

A structure that allows a small glass ball to roll down a course.

Marble Run

300

The principle that explains why a boat floats on water

Buoyancy

300

This scientist is also known for such artworks as the Mona Lisa and The Last Supper.

Leonardo Da Vinci

300

This playground toy is a lever that two people sit on to go up and down.

Seesaw

300

A simple machine that allows an object to move, using gravity, down an inclined surface.

Ramp.
300

A structure designed to be taller than it is wide.

Tower

400

The principle that explains how an object can move against gravity using some sort of push.

Thrust

400

Hooke's Law of elasticity was named after this English scientist.

Robert Hooke

400

One of three scientific principles that make a Slinky toy go down the stairs.

Gravity, momentum, elasticity

400

These round objects, used with an axle, allow for objects to roll.

Wheel

400

A structure that uses physics to shoot an object.

Catapult (or trebuchet)

500

The ability for an object to maintain its normal shape after being stretched.

Elasticity

500

This CEO of SpaceX and Tesla Motors plans to send people to Mars in the near future.

Elon Musk

500

This game, known for taking blocks from the bottom of a tower and placing them on top, uses many of the physics principles we learned in class.

Jenga

500

A complicated machine designed to perform a simple task like turning a page in a book. Named after an American cartoonist.

Rube Goldberg Machine

500

This is a simple bridge that needs nothing to hold the pieces together.

Da Vinci Bridge

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