Explore the movement of the molecules in a solid.

See how different solids can have different densities depending on their molecular make-up.

This lesson will introduce and define similar solids. It is 4 of 5 in the series titled "Similar Solids."

This lesson will introduce and define similar solids. It is 5 of 5 in the series titled "Similar Solids."

This lesson explains how similar solids are related to similar figures in two-dimensions. It is 4 of 5 in the series titled "Similar Solids and Similar Figures."

This lesson explains how similar solids are related to similar figures in two-dimensions. It is 5 of 5 in the series titled "Similar Solids and Similar Figures."

This lesson will define the terms prism, bases, pyramid, cylinder, and cone. It is 4 of 4 in the series titled "Types of Solids."

This lesson will define the terms prism, bases, pyramid, cylinder, and cone. It is 2 of 4 in the series titled "Types of Solids."

This slide show on atomic bonds contains several slides on electron affinity. Other topics include covalent, Sigma and Pi bonds, and atomic bonding in solids.

Students can use this applet to explore different 3-D objects. Different objects can be chosen, rotated, and viewed from a variety of sides. [Requires Java.]

A brief site which defines solids, liquids and gases along with a drawing of each.

Ernie Barnes was named Sports Artist of the Year in both 1984 and 2004. The site includes a biographical sketch, commentary on Barnes's style and inspiration, and information about his most significant and influential works.

An informative site on the nature of Platonic Solids and what constitutes these figures.

A monument of Athenian foot soldier, found near Marathon.

Good look at the orbital hybridization that goes along with the different arrangements of electron clouds. Solid information and graphics.

In Beautiful Chemistry, we talk about crystals, quasicrystals and glasses, which are all solids. Here, we see the molecular structure of gases and liquids.

Discover how freezing works, when the change of state moves from liquid to solid.

This lesson will present how to find the volume of a hemisphere. Students can look at a presentation and then take a quiz.

This tutorial explains the concept of surface area, and then goes through multiple shapes offering the specific surface area formula for each one.

A brief site that includes some activities to understand the figures.

Trace the life of Dr. Paul from his interest in chemistry as a young boy to a career working with some of the smallest solids we can make, called nanocrystals.

This lesson will discuss the relationship between scale factor and surface area of similar figures. It is 3 of 4 in the series titled "Scale Factor and Surface Area of Similar Figures."

This lesson will introduce the phase changes that occur at the boiling, freezing, and melting points. It is 4 of 4 in the series titled "Boiling, Freezing, Melting Point."

This lesson will introduce the phase changes that occur at the boiling, freezing, and melting points. It is 1 of 4 in the series titled "Boiling, Freezing, Melting Point."