A very detailed look at the element Thallium, a member of the Boron Group.

This resource provides information and demonstrates the egg in the bottle trick.

An explanation of the different parts of the atmosphere and how pressure and temperature changes at different altitudes.

Explore some virtual experiments on gases and vapor pressure, the Maxwell speed distribution, the barometric formula, and heat and temperature.

An encyclopedia article on boiling point explains what it is, what is needed for a substance to reach a boiling point, and what latent heat of vaporization is.

An introduction to colligative properties.

Can you crush a soda pop can with your bare hands? Try this experiment where with the help of air pressure you can show your friends what kind of strength you have. Make sure you stay safe! There is a video included.

Learn about the various attributes of water and how they affect life on Earth.

An experiment that demonstrates why there are clouds in the sky. Start with air, invisible water vapor, particles we call condensation nuclei, and air pressure...the cloud comes later!

Students learn how to crush a can with only air pressure.

The heat engine cycle is defined and discussed. So pressure-volume diagrams are introduced and their use in depicting the cycles of a heat engine is demonstrated. Informative graphics are accompanied by reason-filled explanations.

This page looks at Le Chatelier's Principle and explains how to apply it to reactions in a state of dynamic equilibrium. It covers changes to the position of equilibrium if you change concentration, pressure or temperature. It also...

An exhaustive set of "lecture notes" on various topics in thermal physics (including thermal expansion). Explanations are well done and more interesting than most. Includes both a mathematical and conceptual treatment of topics. Humor,...

Describes what dew point is and how it relates to moisture content of the air. Also explains condensation and relative humidity.

This article is a guide to understanding humidity and related weather concepts. Includes helpful definitions of multiple terms.

A page from the University of Maryland Physics Lecture Demonstration Facility. Provides directions for a teacher demonstration of the vaporization of liquid nitrogen. Shows apparatus and set-up; provides suggestions. Easily adaptable as...

Investigate the properties of air. Observe the water vapor present in our exhaled breath.

An in-depth look at solutions and their properties. Includes practice problems for calculating solution concentration.

The question: "What would the triple point of water truly look like?" is discussed and explained. The phases of matter are described.

An exhaustive list of equations and formulas which are commonly used in thermal physics (including equations for triple point). Equations are organized according to category. Meaning of the symbols is clearly stated.

In simple terms, density is the mass of anything - including air - divided by the volume it occupies. In the metric system, which scientists use, we usually measure density in terms of kilograms per cubic meter. The air's density depends...