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The basic chemistry of water, along with a brief glimpse into water's origin on Earth, are discussed in this two page article. The article can be used as a "reading to be informed" activity in a stand-alone fashion or can be incorporated into a... (View More)

Keywords: Water chemistry
Audience: Middle school, High school, Informal education
Materials Cost: Free

Designed for Science On a Sphere, this video explains the ozone hole over Antarctica - the annual thinning of stratospheric ozone caused by manufactured chemicals. 25 years after the Montreal Protocol limited the use of ozone depleting chemicals,... (View More)

This video explains the stratospheric ozone layer. Protecting life on Earth, ozone in the stratosphere is important because it absorbs most harmful UV radiation from the sun. The visualization shows how the thickness of the ozone layer varies with... (View More)

Audience: Informal education
Materials Cost: Free

Emphasizing the synergies between science and engineering, these video clips highlight the research of professional ocean scientists and engineers in various disciplines. The clips are accompanied by additional relevant content including images,... (View More)

This ChemMatters article provides a history of the study of ozone, a description of an experimental simulation called "The World Avoided," a brief introduction to the chemistry of ozone, an explanation of how ozone is measured, and the difference... (View More)

Audience: High school
Materials Cost: Free

This ChemMatters article provides a brief background on smog, then examines the causes of it, efforts to reduce it, and methods used to measure it. ChemMatters is an educational magazine for high school students.

Audience: High school
Materials Cost: Free

This problem-based learning module places learners in the role of researchers analyzing carbon monoxide's environmental impact. Both vehicle emissions and biomass burning are cited as events producing carbon monoxide that impact the environment.... (View More)

This is a lesson about using light to identify the composition of an object. Learners will use a spectrograph to gather data about light sources. Using the data they’ve collected, students are able to make comparisons between different light... (View More)

This is an activity about detecting elements by using light. Learners will develop and apply methods to identify and interpret patterns to the identification of fingerprints. They look at fingerprints of their classmates, snowflakes, and finally... (View More)

This is a math-science integrated unit about spectrographs. Learners will find and calculate the angle that light is transmitted through a holographic diffraction grating using trigonometry. After finding this angle, the students will build their... (View More)

Audience: High school
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