Annenberg Foundation
Geometry 3D Shapes: Euler's Theorem
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...
Annenberg Foundation
Geometry 3D Shapes: Platonic Solids
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...
PBS
Pbs Learning Media: Periodic Table of the Elements Essay
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.
Environmental Chemistry
Periodic Table of Elements: Gallium
A very detailed look at the element Gallium, a member of the Boron Group.
Environmental Chemistry
Periodic Table of Elements: Indium
A very detailed look at the element Indium, a member of the Boron Group.
Environmental Chemistry
Periodic Table of Elements: Thallium
A very detailed look at the element Thallium, a member of the Boron Group.
Ducksters
Ducksters: Kids Science: Periodic Table of Elements
Kid's learn about the science of the Periodic Table of Elements. Groups and periods, atomic number, types of matter.
Chem4kids
Chem4 Kids: Families Stick Together
Beyond columns and rows, the periodic table groups elements according to families. Identify the families present on the table with this overview.
Chem4kids
Chem4 Kids: The Noble Gases
Get the skinny on the noble gases on the periodic table. Find out why this family is happy, how well they bond, and exactly who is a part of this happy family.
Chem4kids
Chem4 Kids: Heading to Group Two
The second family in the periodic table is the alkaline earth metals found in the second column from the left. Meet the family and get to familiar with why this is the second most reactive group of elements.
Chem4kids
Chem4 Kids: Alkali Metals to the Left
To the left. To the left. The elements in the left column of the period table are alkali metals with the exception of hydrogen. This is a brief overview of the alkali metals, what their family is all about and how well they bond or do...
Ducksters
Ducksters: Chemistry for Kids: Elements Transition Metals
Kids learn about the transition metals of the periodic table. Which elements are in this group. Properties, similarities, and other facts.
Ducksters
Ducksters: Chemistry for Kids: Elements: Post Transition, Poor, Other Metals
Kids learn about the post-transition, poor, and other metals of the periodic table. Which elements are in this group. Properties, similarities, and other facts.
Ducksters
Ducksters: Chemistry for Kids: Elements: Nonmetals
Kids learn about the nonmetals of the periodic table. Which elements are in this group. Properties, similarities, and other facts are found on this site.
Ducksters
Ducksters: Chemistry for Kids: Elements: Alkali Metals
On this site, investigate the alkali metals of the periodic table. Find out which elements are in this group, properties, similarities, and other facts.
Ducksters
Ducksters: Chemistry for Kids: Elements: Lanthanides and Actinides
Kids learn about the lanthanides and actinides of the periodic table. Find out which elements are in this group. properties, similarities, and other facts on this site.
Ducksters
Ducksters: Chemistry for Kids: Elements: Halogens
Explore the halogens of the periodic table. Learn about which elements are in this group and the properties, similarities, and other facts.