Gas

Chemical Changes (2013)

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From enjoying the warmth of a fire to baking a cake, we benefit from chemical changes on a regular basis. This colorful program illustrates and explains numerous examples of chemical changes. It also takes a look at some of the common characteristics of chemical reactions.

Grade Level: 
Primary
Elementary
Length: 
00:12
Chemical Changes

The Changing Phases of Matter (2009)

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In this program, students will witness how a substance, such as water, can exist in several dramatically different phases. Easy-to-understand examples illustrate how phase changes occur. Additional concepts and terminology: states of matter, particles, solid, liquid, gas, plasma, melting, freezing, vaporization, boiling, evaporation, condensation, and sublimation.

Grade Level: 
Elementary
Length: 
0:15
The Changing Phases of Matter

The Air Around Us (2011)

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Often hard-to-understand concepts of air, gases, air pressure, and layers of the atmosphere are plainly explained in this fascinating video. Concepts and terminology: oxygen, nitrogen, layers, weather, jet stream, and northern lights.

Grade Level: 
Primary
Length: 
0:12
The Air Around Us