WebMD
Web Md: Understanding Corns and Calluses
This article from WebMD provides a great background on corns and calluses. Focuses on what they are and what causes them. The site also has links to information on the symptoms, detection, treatment and prevention of corns and calluses.
Read Works
Read Works: Cold Feet
[Free Registration/Login Required] A literary text about a boy named Louis who needed to find a way to warm up his cold feet. A question sheet is available to help students build skills in reading comprehension.
CK-12 Foundation
Ck 12: Plix Series: Friction
[Free Registration/Login Required] Use given friction formulas and an interactive diagram for an inclined plane to solve a motion problem. After the activity, answer a challenge question to check for understanding.
CK-12 Foundation
Ck 12: Physical Science: Power and Efficiency
[Free Registration/Login may be required to access all resource tools.] Machines and friction, the efficiency of a machine and how to calculate it.
CK-12 Foundation
Ck 12: Physical Science: Types of Friction
[Free Registration/Login may be required to access all resource tools.] The four types of friction and how they act on objects.
Sophia Learning
Sophia: Kinetic Friction & Normal Forces
This slide show presentation helps the learner understand how normal force affects the amount of friction.
Sophia Learning
Sophia: The Coefficient of Kinetic Friction
This slide show presentation introduces the idea of the coefficient of kinetic friction.
Sophia Learning
Sophia: The Coefficient of Static Friction
This guided slide show presentation explains the physics behind the coefficient of static friction.
Soft Schools
Soft Schools: Physics Quizzes: Newton's Three Laws
Assess your understanding of Newton's three laws of motion and the ability to distinguish between the three with this interactive multiple choice quiz. Receive immediate feedback to your answers.
Annenberg Foundation
Annenberg Learner: Amusement Park Physics: Roller Coaster
This interesting and interactive exhibit demonstrates how Newton's Laws of Motion impact the design and safety of roller coasters.
Other
Center for Education Partnerships: The Marble Roll
In this Science-athon, students try to make their marble roll the farthest across a flat surface, using their knowledge of forces, motion, and energy to guide them through their apparatus design. Teachers must enroll online.
Texas Education Agency
Texas Gateway: Effects of Force
Explore the effects of forces around us in the world.
Discovery Education
Discovery Education: Friction in Our Lives
Students observe objects in motion down a ramp to discover how the force of friction affects an object's motion. Includes the lesson plan, vocabulary list, and extensions for students.
Discovery Education
Discovery Education: Physical Science: Gravity Gets You Down
In this lesson, students make predictions about falling objects of different sizes and masses to learn about gravity and air resistance. Includes audio vocabulary list and extension activities.
University of Minnesota
University of Minnesota: Mechanics Problems: Force Problems
This University of Minnesota site provides a series of contextually rich, real-world problems demonstrating force and Newton's second law of motion.
Discovery Education
Discovery Education: Science of Everyday Life: Don't Slip! [Pdf]
In this lesson plan students experience friction by sliding a block of wood over sandpaper. Students will experiment with frictional forces by measuring with spring scales or rubberbands.
Physics Aviary
Physics Aviary: Practice Problems: Work Done by Force With Friction
Students must determine the work done by a horizontal force when there is a frictional force acting on the box. Students must then find the speed of the box.
Physics Aviary
Physics Aviary: Practice Problems: Energy on Incline Level 2
Students must predict the distance a box will move up an incline based on energy conservation. There will be friction present and some of the original KE will turn into heat.
Physics Aviary
Physics Aviary: Practice Problems: Distance Traveled (Fired by a Spring)
Students must predict the distance traveled by a box that has been projected horizontally by a compressed spring. The box will start with potential energy due to elasticity and it will turn into KE without loss. It will then lose its...
Physics Aviary
Physics Aviary: Practice Problems: Energy on an Incline With Friction
Students must predict the final speed of the block on the incline after sliding down a certain distance. Students must account for the energy lost due to the friction between the block and the incline.
Physics Aviary
Physics Aviary: Practice Problems: Newton's Law System With Friction Problem
Students must find out different things for a series of object's moving as a system with Friction.
Physics Aviary
Physics Aviary: Practice Problems: Newton's Law System Both Frictions Problem
Students must find out different things for a series of object's moving as a system with Friction. In this problem students will be given both a static friction coefficient and a kinetic friction coefficient.
Physics Aviary
Physics Aviary: Practice Problems: Car Stopping Distance
Students must calculate the time it takes for a car to come to a rapid stop and the distance the car covers when stopping.
Physics Aviary
Physics Aviary: Practice Problems: Stopping Distant Planet
Students must calculate the stopping distance for a car traveling on a distant planet.