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!
Upper Canada District School Board
Tom Stretton's Chemistry Pages: The Noble Gases
Through an online slideshow format, learn about the chemical properties and practical uses of the noble gases. Includes questions at end.
Khan Academy
Khan Academy: Ideal Gases in Medicine
This passage tests your knowledge on the kinetic molecular theory of gases using the five-question quiz.
Other
The Elements: Noble Gases
A listing of the noble gasses can be found here as well as images and links to additional information. This site is maintained by a high school chemistry teacher but is supplemented with information from the Los Alamos National...
CK-12 Foundation
Ck 12: Chemistry: Noble Gases
[Free Registration/Login may be required to access all resource tools.] Covers electronic configuration of noble gases and the reactivity of noble gases.
Science Struck
Science Struck: Properties of Noble Gases
Read about the properties of the six noble gases - helium, neon, argon, krypton, xenon, and radon.
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.
Science Struck
Science Struck: Facts About Noble Gases
Learn how noble gases were discovered, what their properties are, and their uses. Includes a chart listing the six noble gases and some details about them.
Other
Virtual Chembook: Density Applications With Gases
DENSITY is a physical property of matter, as each element and compound has a unique density associated with it. Density defined in a qualitative manner as the measure of the relative "heaviness" of objects with a constant volume. For...
Science Struck
Science Struck: Noble Gas Configuration
Provides the configuration for each of the six noble gases and explains how to write noble gas configurations. Also explains what pseudo-noble gas configuration is.
PBS
Pbs Learning Media: Buoyancy Brainteasers: Balloon in Car Puzzler
This interactive brainteaser from the NOVA: "Voyage of Doom" Web site challenges you to explain the behavior of a helium-filled balloon in a moving car.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Balloons & Buoyancy
Experiment with a helium balloon, a hot air balloon, or a rigid sphere filled with different gases. Discover what makes some balloons float and others sink.
Georgia State University
Georgia State University: Hyper Physics: Speed of Sound
Physics tutorial on measuring the speed of sound in dry air. An interactive form allows the student to practice solving problems involving the temperature dependence of the speed of sound.