PP+ Hooke's Law Negative Reviews

SkyView® Lite brings stargazing to everyone! Simply point your iPhone, iPad, or iPod at the sky to identify stars, const...

Millions of people are learning languages with Babbel — the language app built by language experts. Why Babbel? Our shor...

Welcome to Toca Boca Hair Salon 4! Unleash your creativity in the salon and whip up any style you can imagine. Whether y...

Play engaging quiz-based games (kahoots) at school, at home and at work, create your own kahoots and learn something new...

- Featured on the TODAY show! - Editor's Choice Award! - Children's Technology Review - "Stack the Countries is worth e...

GraphNCalc83 uses touch, color and blazing speed to handle your math problems. The familiar calculator keyboard, arrow k...

Flat Earth app is a tool used to visualise daylight coverage, sun and moon overhead positions, rise and set times, moon ...

iScore5™ APHG is a test prep app to get students ready for the AP® Human Geography exam. The app created by EXPERT teac...

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

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

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

A magnitude estimation procedure is used to measure the apparent distance between a reference point and a figure that ap...

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

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

A rating scale procedure is used with different stimuli to demonstrate basic concepts of signal detection theory—respons...

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