Khan Academy: Absolute Temperature and the Kelvin Scale

In this Kelvin scale worksheet, students read about the relationship between the Celsius scale and the Kelvin scale. They are given the equations to convert from one scale to the other. They find the equivalents for temperatures measured...

What is temperature, and why are there three different temperature scales? Young scientists learn the true nature of temperature with an informative video. The narrator discusses all three temperature scales and the relationship between...

A video discussing the decibel scale and how it is used to figure out the loudness of a sound. Understand how the scale is a logarithmic scale. [10:29]

Watch as we experiment with hot vs. cold vinegar as our electrolyte. Does the deflection in our galvanometer depend on temperature? [1:36]

A video lecture explaining that vapor pressure is the pressure exerted by a vapor in equilibrium. Also explained is how kinetic energy relates to temperature and vapor pressure. The video also explores how evaporation plays a role in...

Scale of the Galaxy is illustrated in this Khan Academy. [12:55]

Definitions of pH, pOH, and the pH scale. Practice calculating the pH of a strong acid or base solution. Learn the relationship between acid strength and the pH of a solution.

An example of how ice can cause energy to transfer and reduce the temperature of water. [11:23]

A video lecture explaining how adding solute particles to a solution can lower the melting point and raise the boiling point of the solution. The concept is explored with illustrations and a video demonstrations. Also included is an...

Learn the definition of buffer capacity, and see an example showing why it depends on the absolute concentrations of the conjugate acid and base. [10:44]