National Institute of Open Schooling
p-Block Elements and Their Compounds – I
Lesson 21 in a series of 36 specifically focuses on elements and their compounds from groups 13, 14, and 15 on the periodic table — including boron, carbon, aluminum, silicon, nitrogen, and phosphorus. Classes learn how some of these...
It's About Time
Metals and Nonmetals
Did you know you can melt the metal gallium with just the heat of your hand? Pupils observe and test materials in order to classify them as metal or non-metal. A reading passage and analysis questions wrap up the lesson.
Other
Web ref.org: Aluminum
Here you can find a detailed overview of aluminum. Content includes a focus on aluminum's chemical properties, occurrence in nature, uses, and production.
Chem4kids
Chem4 Kids: Aluminum (Al)
Here you can find some great information about the 13th element in the periodic table, "aluminum." Content focuses on aluminum's electrons, where you can find aluminum in nature and in the home, and how aluminum combines with other...
Chem4kids
Chem4 Kids: Fluorine
Here you can find some great information about the 9th element in the periodic table, "fluorine." Content focuses on fluorine's electrons, where you can find fluorine in nature and in the home, and how fluorine combines with other elements.
Chem4kids
Chem4 Kids: Phosphorus (P)
Here you can find some great information about the 15th element in the periodic table, "phosphorus." Content focuses on phosphorus' electrons, where you can find phosphorus in nature and in the home, and how phosphorus combines with...
Chem4kids
Chem4 Kids: Chlorine (Cl)
The 17th element in the periodic table is defined, chlorine. Find out how many electrons chlorine has and where you can find it in nature and in the home.
Geographic
Photius: Tajikistan: Economy Index
Here you can find out about the current economic status of Tajikistan (as of 2007) from the CIA World Factbook. Click on the topics to gather the information.