What makes helium so Noble, anyway? Explore the bonding properties of helium versus those of hydrogen using an interactive resource. Science scholars manipulate atoms of each element and observe changes in potential energy as the atoms...

Stars are too hot to visit, so how do we know what different stars are made of? An enlightening simulation uses a spectrum graph to show the various electron emission and absorption reactions. Scholars experiment with both helium and...

In this periodic table worksheet students complete a fill in the interactive set of questions using a set of vocabulary words that describe the different elements.

In this ESL common chemical elements worksheet, students select the chemical elements represented by symbols given. Students may click on an answer button for immediate feedback.

Bring two molecules together and observe potential energy changes.