Molecules to the Max! refers to a movie released in 2009 about the world of atoms and molecules. A helpful discovery guide provides five posters on science topics typically covered at the middle school level. It also explains the...

Ozone, made of three bonded oxygen atoms, is found 15-30 km above Earth, has a strong smell, is blue, and blocks sunlight from hitting the surface of Earth. The 22nd lesson in a series of 36 specifically focuses on the important elements...

This site provides a general overview of the metals in the periodic table. Content explores the different types of metals, and how you can identify a metal.

Explore the answers to several commonly asked questions about the periodic table. Find out why the first elements on the table are unusual and identify who Lothar Meyer is.

Learners explore the visual elements periodic table. The interactive resource allows students to click on an element to find out about its origin, description, when it was discovered, and a visual animation of the element.

This Chem4Kids site provides a nice overview of the alkali metals found on the periodic table. Content explores who is in this family, and their shared traits.

Information about the element, Thorium, atomic number 90. Covers physical properties, atomic properties, how abundant it is on the Earth, where it is found, and details about health-related regulations. Discusses thorium's potential use...