What does stretching a balloon have to do with equilibrium? Groups explore preconditioning by stretching a balloon to a point of equilibrium. They then measure the amount of force required to stretch the balloon to the same point several...

Does it feel a little humid in here? Learners assume the role of water vapor in the atmosphere as they explore the differences between warm and cold air. They roll dice to determine their level of energy, which determines if they...

Unemployment: The job of the future. The resource, designed for high school scholars, explains unemployment rates, recessions, and job trends that are impacting employment in the United States. Academics explore potential careers of the...

Balloons will go where you want them to. Young pilots first add paper clips to a balloon to make it neutrally buoyant. They then use cardboard to steer the balloon in different directions, taking air pressure into account.

There's no need to have friction among instructors regarding the resource. Pupils investigate how marbles and coins slide along different surfaces which gives them information to estimate coefficients of friction.

An interactive Java applet which depicts gas diffusion and emphasizes the importance of thermal equilibrium. Directions and challenges available.

Discusses and explores the impact of random pressure errors on the equilibrium constant in a chemical reaction. Requires Java.

Students will observe how equilibrium is reached when salt is added to water.

Students are introduced to static equilibrium by learning how forces and torques are balanced in a well-designed engineering structure. A tower crane is presented as a simplified two-dimensional case. Using Popsicle sticks and hot glue,...

A definition of macroeconomic equilibrium and how it changes when either aggregate supply (AS) or aggregate demand (AD) shift. Many supporting graphs are provided to help explain this concept.

Summarizes buyer equilibrium. Then click Next button at the bottom to learn about seller equilibrium as well as shortages & surpluses.

This site explores what Hardy-Weinberg Equilibrium is, and how teachers can explore this topic in their classrooms. Content includes background information on this topic, as well as numerous learning activities.

In this activity, students explore equilibrium constants in biochemical systems by measuring the binding constant of a DNA-Dye reaction.

Students examine equilibrium and buffer solutions in a biological setting.

Students explore the concepts of center of mass and static equilibrium by seeing how non-symmetrical objects balance. Using a paper cut-out shape of a parrot sitting on a wire coat hanger, they learn that their parrot exists in stable...

Students explore materials engineering by modifying the material properties of water. Specifically, they use salt to lower the freezing point of water and test it by making ice cream. Using either a simple thermometer or a mechatronic...

Simulations that can help students visualize and understand concepts in chemistry like the collision theory, chemical reaction equilibrium, and polymerization.

In this activity, students safely explore the equilibrium reaction of the cobalt chloride reaction.

The tutorial explores first order differential equations. Topics examined are linear equations, separable equations, Bernoulli differential equations, equilibrium solutions, Euler?s method, and intervals of validity. Class notes,...

This site shows a supply and demand schedule, and constructs a graph using this schedule. It continues on to discuss equilibrium, and then shows a new equilibrium after there has been a change in supply.

In this activity, students' will use a Temperature Sensor to understand how heat is transferred between substances and the concept of thermal equilibrium. They learn about specific heat and how it can be used to identify an unknown sample.

This article explores how immigration from Mexico has both helped and hurt the American economy.

To learn about the concept of center of mass, students examine how objects balance. They make symmetrical cut-outs of different "creatures" and experiment with how they balance on a tightrope of string. Students see the concept of center...

This study of the demand for labor discusses supply, demand, equilibrium, and why wages in some professions are higher than in others.