Whether you wrap it or fill it, you're using geometric concepts. Classmates use an interactive approach to learn how to find volume and surface area of cylinders and prisms in the second lesson in a five-part series. The online lesson...

How do you get a theorem named after you? Euler knows what it takes! The third lesson of five asks pupils to use an interactive activity to compare the faces, vertices, and edges of seven different three-dimensional solids. They use...

Explore vocabulary related to three-dimensional shapes. An instructional website describes the characteristics of different geometric solids. Learners can use an interactive component to view nets, faces, vertices, and edges of common...

From polyhedrons to platonic solids, here is a lesson that will have your classes talking! As an introduction to platonic solids, scholars cut and fold nets to create the three-dimensional solids. They use an interactive component to...

This essay, written for Teachers' Domain, describes the foresight and pattern recognition that Russian chemist Dmitri Mendeleyev used to develop the modern periodic table of elements.

This interactive periodic table provides information about each of the elements. This is a very comprehensive site.

An interactive periodic table of elements allows users to click on elements and discover the details of each one.

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

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

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

A collection of videos exploring the elements of the Periodic Table, presented by professors, lecturers, scientists, technicians, and others at the University of Nottingham. Videos contain stories, personal experiences, fun facts,...

This is a teacher's companion guide with lesson plans for the periodic table. It includes learning objectives, lecture notes, links to related sites, answers to frequently asked questions, and a glossary of related terms.

Our understanding about the air we breathe has changed dramatically through time. This illustrated timeline from the NOVA Web site tracks the changing thought on air and the creation of the Periodic Table of the Elements.

Kid's learn about the science of the Periodic Table of Elements. Groups and periods, atomic number, types of matter.

A giant sized table made of wood houses a large collection of minerals from the periodic table. Click on any wooden tile to discover what the element looks like and details about its atomic structure and uses. The author even tells you...

Explore the periodic table like never before! This downloadable program module for students comes absolutely complete with teacher modules, student assessments, PowerPoints, Excel spreadsheets, historical text readings and more. Students...

EnvironmentalChemistry.com offers a thorough site all about the element neodymium.

A collection of grid puzzles that cover topics in basic chemistry, including acids, salts, alkalis, chemistry lab equipment, the periodic table, states of matter, and more. These are excellent for topic review and reinforcement. The...

Review the purpose of the periodic table and how it is designed.

EnvironmentalChemistry.com offers an extensive site on the element, Einsteinium, of the Periodic Table of Elements.

As the name of this site implies, this is a huge source of elemental information. You are likely to find whatever you need to know about elements here.

As the name of this site implies, this is a huge source of elemental information. You are likely to find whatever you need to know about elements here.

As the name of this site implies, this is a huge source of elemental information. You are likely to find whatever you need to know about elements here.

As the name of this site implies, this is a huge reference site for elemental information. Whether you are looking for properties or isotopes, this site probably has what you need. Images of structure and electron energy level can be...