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PP+ Friction

The Friction lab uses a friction block to determine the coefficients of static friction and kinetic friction for two surfaces in contact. It...

Horseshoe Pitch-A-Rama

Horseshoes, a pastime enjoyed for generations by nobility and commoner alike, is fun for all. This is the real game of horseshoes. No flas...

iNSIGHT Depth Perception

A magnitude estimation procedure is used to measure the apparent distance between a reference point and a figure that appears to be either i...

PP+ Joule Heating

The Joule Heating lab uses a calorimeter to investigate electrical energy and thermal energy. It is part of Polyhedron Physics Plus, a set o...

PP+ RC Circuits

The RC Circuits lab uses a power supply, voltmeters, capacitors, and resistors to investigate RC circuits. It is part of Polyhedron Physics ...

TrainSet 3D

TrainSet 3D is an homage to that classic HyperCard stack. Design your own tracks and run the steam locomotive around them. If you crash, n...

iNSIGHT Color Mixing

This is a demonstration of additive and subtractive color mixing, or the mixing of colored lights and colored pigments. With colored lights,...

iNSIGHT Mach Bands

Mach bands are an illusion produced by the communication between neighboring cells in the retina. Because nearby cells can inhibit each othe...

iNSIGHT Form and Motion

The visual system is well suited to extracting information about the structure and form of objects on the basis of motion. In this demonstra...

PP+ Acceleration of Gravity

The Gravity lab uses a position sensor to examine the relationship between the position, velocity, and acceleration of a free-falling body.I...

PP+ Archimedes Principle

The Archimedes Principle lab uses a laboratory balance, a metal sample, and graduated cylinders containing water and alcohol to investigate ...

PP+ Momentum and Impulse

The Momentum and Impulse lab uses a laboratory cart to investigate the relationship between the impulse exerted on a constant mass and the r...

PP+ Conservation of Energy

The Conservation of Energy lab uses a spring-mass system to investigate the conservation of mechanical energy. It is part of Polyhedron Phys...

iNSIGHT Spatial Vision

A process called Fourier analysis can be used to mathematically break down any image into a number of basic components. By manipulating thes...

PP+ Newton's 2nd Law

The Newton’s Second Law lab uses a laboratory cart to investigate the relationships between the force applied to an object and the mass and ...

iNSIGHT Measuring Illusions

A Yes-No procedure, combined with the method of limits, is used to measure the size of different visual illusions—the Müller-Lyer illusion, ...

PP+ Series-Parallel Circuits

The Series and Parallel Circuits lab uses resistors, a power supply, a voltmeter, and an ammeter to investigate the effective resistances of...

PP+ Reflection of Light

The Reflection of Light lab uses a plane mirror to investigate the relationships between object and image distances and angles of incidence ...

iNSIGHT Scaling Vision

A magnitude estimation procedure is used to measure our perception of the magnitude of different types of stimuli. Students make predictions...

PP+ Work & Energy Motor

The Work and Energy Using an Electric Motor lab uses an electric motor and other equipment to investigate energy efficiency. It is part of ...

PP+ Motion of a Pendulum

The Motion of a Pendulum lab uses a mass on a string to investigate the relationships between the mass, length, amplitude, and period of osc...

PP+ Centripetal Force

The Centripetal Force lab uses a centripetal force apparatus to investigate the relationships between the centripetal force on an object and...

PP+ Speed of Sound

The Speed of Sound lab uses a resonance chamber to measure the wavelength of a sound wave and determine an experimental value for the speed ...

PP+ Image Formation – Lenses

The Image Formation Using Lenses lab uses an optical bench to determine the focal length of a converging lens and to investigate the relatio...

PP+ Hooke's Law

The Hooke’s Law lab uses a spring-mass system to investigate the relationship between the force acting on a spring and the resulting change ...

PP+ Conservation of Momentum

The Conservation of Momentum lab uses two colliding bodies to investigate elastic and inelastic collisions and compare kinetic energy. It is...

PP+ Specific Heat of a Metal

The Specific Heat of a Metal lab uses a calorimeter to measure the specific heat of a metal. It is part of Polyhedron Physics Plus, a set of...

PP+ Refraction of Light

The Refraction of Light lab uses a refraction cell and a ray box to investigate Snell’s Law of Refraction, total internal reflection, and th...

PP+ Gas Laws

The Gas Laws lab uses a syringe, masses, a thermometer, a hotplate, and a water and ice bath to investigate Boyle’s Law and Charles’s Law. ...

iNSIGHT Illusions Aftereffects

Illusions are fun and interesting to view, but more importantly they provide insights into how our visual system works. By discovering ways ...

PP+ Work & Mechanical Energy

The Work and Mechanical Energy lab uses a laboratory cart to investigate the relationship between the work done on an object and the change ...

iNSIGHT Signal Detection

A rating scale procedure is used with different stimuli to demonstrate basic concepts of signal detection theory—response criterion, d-prime...

iNSIGHT Stereograms

Stereograms create an illusion of depth because slightly different images are presented to each eye. They simulate the real-world situation ...

iNSIGHT Feature Analysis

A reaction-time procedure is used together with a visual search task to measure the speed of cognitive operations (visual and other “thought...

PP+ Simple Harmonic Motion

The Simple Harmonic Motion lab uses a spring-mass system to investigate relationships between the spring constant, mass, amplitude of oscill...

iNSIGHT Color Vision Test

This is an adaptation of a common clinical test for color vision disorders. Students arrange colored discs then analyze the results to ident...

PP+ Ohm's Law

The Ohm’s Law lab uses a resistor, a power supply, a voltmeter, and an ammeter to investigate the relationships between the voltage, current...

iNSIGHT Global Precedence

A reaction-time procedure is used to measure different types of information processing by the visual system. This procedure demonstrates how...

Select-A-Match

The goal is to remove as many tiles as possible from the board. Select blocks of matching tiles—the bigger the block, the bigger your score....

PP+ Force Vector Addition

The Addition of Force Vectors lab uses a force table to investigate the vector addition of forces. It is part of Polyhedron Physics Plus, a...

iNSIGHT Receptive Field Maps

This is a demonstration of mapping the receptive fields of neurons in the visual system. Students play the role of a vision scientist trying...

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Join the millions of riders who trust Uber for their everyday travel needs. Whether you’re running an errand across town or exploring a city...

Lemon8 is THE destination for sharing and exploring. On Lemon8, photo and video content are refreshing, diverse and informative. Whether you...

Watch movies, TV, and sports, including Amazon Originals like The Lord of the Rings: The Rings of Power, The Boys, The Marvelous Mrs. Maisel...

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Introducing ChatGPT for iOS: OpenAI’s latest advancements at your fingertips. This official app is free, syncs your history across devices,...

Rebuilt from the ground up, Red's First Flight is a faithful re-make of the original Angry Birds game that took the world by storm! The sur...

Powerful enough for creative professionals. Simple enough for everyone. Award-winning Procreate Pocket is the most feature packed and versat...

***PLEASE NOTE: This game is officially supported on the following devices only: iPhone 4s, 5, 5s, 5c, 6, 6s, 6 Plus, SE, 7, 7 Plus, iPod To...

Think you have what it takes to adopt a POU? How will YOU customize your POU? Do you have what it takes to take care of your very own alien ...

75 HARD is how you win the war with yourself. Are you stuck in life? You feel like no matter what you do, your career, fitness, and relation...

As featured on • Good Morning America • DailyBurn • AskMen • Mens Health • Macrosinc.net My Macros+ is the only diet tracking app made by a...

It’s the game The New York Times called a “Sensation,” and Cosmopolitan said “will be the best dollar you’ve spent.” Heads Up! is the fun an...

Serve delicious cookie sundaes on the go in Papa's Scooperia To Go! -- ABOUT THE GAME -- You've lost your money and belongings while on a ...

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