CK-12 Foundation
Ck 12: Physical Science: Gases
[Free Registration/Login may be required to access all resource tools.] Discusses properties of gases, why they exert pressure, and atmospheric pressure.
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.
E-learning for Kids
E Learning for Kids: Norway Fjords: What Are Solids, Liquids and Gases?
The differences between solids, liquids, and gases and the properties of each are presented in this lesson.
BBC
Bb Ci Schools: Revisewise Science: Solids, Liquids, Gases
This site contains an interactive activity in which students can learn about the three states of matter. There is also a factsheet that lists numerous properties of liquids, solids, and gases. The factsheet also uses water as an example...
CK-12 Foundation
Ck 12: Physical Science: Noble Gases
[Free Registration/Login may be required to access all resource tools.] Group 18 elements and their properties.
Science Struck
Science Struck: Properties of Noble Gases
Read about the properties of the six noble gases - helium, neon, argon, krypton, xenon, and radon.
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.
University of Waterloo (Canada)
The University of Waterloo: The Heating Curve
The heat of vaporization along with several other thermal properties are explained. Sample problems are given. Illustrations.
Other
The Science House: Floating Candles
In this experiment students observe a combustion reaction and deduce the components necessary for the reaction to occur. They also see the relationship between pressure, volume, and number of molecules for gases.
Quizlet
Quizlet: 6th Grade Science Vocabulary: Solids, Liquids, and Gases: Test
This interactive assessment features 7 matching, 7 multiple-choice, and 6 true/false questions over 20 terms related to Solids, Liquids, and Gases (the three states of matter).
Quizlet
Quizlet: 6th Grade: Science Vocabulary: Solids, Liquids, and Gases: Flashcards
This set of interactive flashcards focuses on 20 terms related to Solids, Liquids, and Gases (the three states of matter).
Other
Moorland School: Earth Science Zone: The Earth's Atmosphere
Learn about the properties of the thin layer of gas that surrounds the Earth. Understand the mixture of gases that make up the atmosphere as well as the different layers. Also explained are issues that affect the atmosphere like the...
PBS
Pbs Kids: Dragonfly Tv Do It: Carbon Dioxide
PBS site offers an experiment kids can do at home to see how carbon dioxide can put out burning candles.