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Grab the Chemistry to play and explore concepts related to friction. Note when using the VoiceOver screen reader with this simulation it is easy to activate VoiceOver's Quick Nav mode while moving the Chemistry book. For the best experience, however, we recommend keeping Quick Nav off.
(Source: PhET Interactive Simulations)
Friction always creates heat. Brakes and tires depend on friction to work, but friction can also damage a car's mechanics. For example, the engine is susceptible to the heat caused by friction, and mechanics devise ways to protect against friction while trying to get the greatest amount of horsepower without damaging the car. Part of "The Science of Speed" series.
(Source: DCMP)
Part of a series that features a wide variety of video footage, photographs, diagrams and colorful, animated graphics and labels. Begins with a simple definition of the term and concludes with a critical thinking question. For this particular video, students will focus on the term friction. Part of the Science Video Vocab Series.
What happens to the stuff flushed down a drain? How do velocity and friction factor into this system? Get down and dirty to see how the sewer system relies on these elements of force. The experts develop tracking gadgets that journey through the sewer system hot on the trail of the flushed materials. Part of the "Break It Down" series.
NASCAR tires are filled with nitrogen to help protect against heat caused by friction. Friction also increases the air pressure in tires, and NASCAR drivers don't want a tire to blowout during a race. The use of nitrogen helps the crew predict how hot the tires will get. Part of "The Science of Speed" series.
The Magic School Bus is an award winning animated children’s television series based on the book series of the same title by Joanna Cole and Bruce Degen. It is notable for its use of celebrity talent and being both highly entertaining and educational. Ms. Frizzle shrinks the kids so they can play a game of "frictionless baseball" on page 97 of Dorothy Ann's new physics book. But how will they get back to class when the wind blows the book shut trapping Ms. Frizzle and the class in the closed book?
Plate tectonics describes the large-scale motion of large and small plates of the earth's lithosphere. As the plates slide past one another, they create friction and heat. The tension caused by the friction of heat is released either through earthquakes or volcanoes. Part of the "Earth Science" series.
Students will learn about force and the effects of force on objects. Visual examples and real-life demonstrations promote an understanding of how things move. Important terminology includes force, work, friction, gravity, mass, and acceleration.
Play with John’s foot and arm to explore when he gets a zap!
Part of a series that features a wide variety of video footage, photographs, diagrams and colorful, animated graphics and labels. Begins with a simple definition of the term and concludes with a critical thinking question. For this particular video, students will focus on the term force. Part of the Science Video Vocab Series.
This video discusses the principle of force and the application of Newton's three laws of motion. Through the use of real-world examples, students will witness the effect of friction on force. Other topics covered include inertia, weight, mass, gravity, and the law of universal gravitation.
How does a spacecraft land on Mars as it hurtles towards the planet at thousands of miles per hour? It needs a heat shield to protect it from the friction of entry into the atmosphere. The spacecraft will also need a parachute to help slow down its descent. Part of the “Mars in a Minute” series.
Researchers see promise in using an off-the-shelf fabric in athletic coaching and physical therapy, and another group of scientists are studying how pyroclastic flows defy friction. Other segments include new techniques to test for viral infections and the design of a new robot. Part of the "4 Awesome Discoveries You Probably Didn't Hear About This Week" series.
Provides an overview of how Newton's three laws of motion can be used to explain and predict the motion of everyday objects. The effect of friction, including air resistance, is highlighted, and the concept of inertia is illustrated with classic demonstrations. Features questions for class discussion, as well as the remarkable Rocketman, who provides a dramatic example of the third law in action.
The Standard Deviants discuss the three laws of Sir Isaac Newton. This branch of study is also known as Newtonian physics, and it applies to everyday conditions of speed, time, and gravitational pull. Other topics covered include forces in equilibrium, mass as opposed to weight, inertia, static and kinetic friction, and tension. Part of the "Standard Deviants School: Physics" series.
Researchers have developed a new way of delivering insulin to patients. It is patterned after the shape of a tortoise shell. New research shows that bees keep their hives cool based on the physics of friction and flow. Other segments include the discovery of carbon dioxide reservoirs in the ocean floor and evidence that tropical reef can flip from coral clusters to fields of seaweed. Part of the "4 Awesome Discoveries You Probably Didn't Hear About This Week" series.
Introduces caveman Zog to Newton's basic laws of motion. By observing objects on earth and in space, Zog learns that nothing can start moving, speed up, slow down, change direction, or stop unless a force is applied to it--even if the force is hard to see, like gravity or friction. He learns that for every force there is an equal and opposite force and that is the principle behind jet propulsion. And he learns that, scientifically, work occurs only when a force moves an object some distance.
Grip is the frictional force that holds the tires on the track, and NASCAR mechanics are always looking for ways to increase the grip of tires. The cars have less grip as their speed increases, and mechanics must understand the relationship between speed and grip to ensure the race car is able to perform safely at high rates of speed. Part of "The Science of Speed" series.
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A collection of simulations from PhET.
A collection containing 15 resources, curated by Charles LaPierre
