PP+ Friction Positive Reviews

#1 LEARNING APP FOR KIDS Spark success with 1600+ fun, interactive activities! Academics and modern life skills come tog...

App of The Day 2019, 2020, 2022, 2023 & 2024 Learn 10 new words every day. Remember everything you learn. Proven way to...

Want a 99% chance of passing your DMV Permit Test? With DMV WRITTEN TEST you get state-specific DMV practice tests that...

Welcome to Clever, the ultimate destination for sharpening your mind and challenging your intellect! Dive into a world o...

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

JUMPMASTER SCHOOL IS HARD! GIVE YOURSELF AN EDGE. This app has over 1500 Questions and Nomenclature Flashcards. Inc...

Welcome to the super awesome special mega ultra amazing Toca Hair Salon 3! Our most popular app series returns, better t...

This BCBA® exam prep app is designed for any behavior analyst who wants to master the content on the BCBA (Board Certifi...

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

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

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

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

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

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

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

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