Chemical Composition Chart

A study of the periodic table of elements doesn't have to be elementary! Deepen understanding of the building blocks of chemistry with an interactive periodic table. At first sight, the table looks like a standard reference page, but a...

Space scientists investigate the cosmic phenomena in order to search for answers to possible origins of the solar system. They consider the concepts of elements and  isotopes. Data is analyzed looking at tje abundance of elements...

Explore the consistency of the earth's layers and soil through modeling. By conducting an engaging experiment, learners develop a model for the earth's layers and a soil profile using edible materials. Each material is chosen based on...

How do scientists identify which elements originate from meteorites? Scholars learn about a sample of material found in a remote location, analyzing the sample to determine if it might be from Earth or not. They study elements, isotopes,...

How do scientists know the difference between a meteorite from space and a regular rock from the earth? Scholars read a passage and answer comprehension questions about the creation of the solar system. They extrapolate the main ideas to...

Why is Earth different from other planets? What makes it so special, anyway? It's only fitting to delve into how the "parent" rock was formed in the first installment of a seven-part series about rocks and rock formation. Amateur...

Follow in Jules Verne's footsteps and take a journey to the center of the earth! Middle schoolers work together to design a trip inside the earth using their knowledge from the previous lessons in the unit.

Information about the metallic element, Rhenium, atomic number 75. Covers its physical and atomic properties, how abundant it is on the Earth, sources, uses, and potential substitutes.

Information about the element, Chromium, atomic number 24. Covers discovery, physical and atomic properties, how abundant it is on the Earth, permissible exposure limits, sources, uses, and potential substitutes.

As part of the General Chemistry Virtual Textbook, this site examines a variety of topics related to the Earth, and specifically the Earth's crust. Other topics covered include chemistry of the crust, composition of rock, distribution of...