University of Kentucky
Periodic Table of Comics: Helium
Comics featuring helium and including nice graphics for a presentation.
Royal Society of Chemistry
Royal Society of Chemistry: Periodic Table/helium
A great source of information on helium. Exceptionally thorough and well written.
Encyclopedia of Earth
Encyclopedia of Earth: Helium
Information about the element, Helium, atomic number 2. Covers its discovery, physical and atomic properties, how abundant it is on the Earth, its uses, possible substitutes, and permissible exposure limits.
Web Elements
Web Elements Periodic Table: Helium
A very nice site with all sorts of information on helium, including good summaries on isolation and uses of helium.
Chem4kids
Chem4 Kids: Helium
Here you can find lots of great information about helium. Learn about its electrons, where it exists in nature, and about the element itself!
TED Talks
Ted: Ted Ed: Helium: Periodic Table of Videos
The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about helium, Donald Duck voices, and floating balloons. [4:45]
Florida State University
Florida State University: Magnet Lab: Dilution Refrigerators
Dilution fridges owe their cooling power to the incredible element helium. This animation illustrates how dil fridges exploit the element's properties to make things very, very cold.
How Stuff Works
How Stuff Works: How Helium Balloons Work
This article explains how helium is able to keep balloons afloat in the air. Compares them to how hot air balloons work. Includes a video, and some activities to try for testing the principles being discussed.
Ducksters
Ducksters: Chemistry for Kids: Elements: Helium
Explore the element helium and its chemistry including atomic weight, atom, uses, sources, name, and discovery. Plus properties and characteristics of helium.
Chemicool
Chemicool: Helium
This site from Chemicool provides a set of tables summarizing a great deal of information on helium and its properties.
Science4Fun
Science4 Fun: Helium
Fun and interesting information about Helium, the 2nd lightest gas after Hydrogen. Learn about its characteristics, uses, where it is found, and discovery.