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This activity demonstrates optical properties of water: that different constituents in water affect the transmission, absorption, and scattering of different colors in the visible light spectrum. Inexpensive, off-the-shelf components are used to... (View More)

This short (11:29 minutes) video features NASA scientists answering a set of student-designed questions related to NASA’s Global Precipitation Measurement satellite mission. The set of twelve questions were generated after students viewed... (View More)

Audience: Middle school, High school
Materials Cost: Free

This Science On a Sphere video and docent show (script and playlist), explores factors that render Earth habitable and influence Earth's energy budget. The video gives an overview of NASA's Search for "Goldilocks Planets" - planets that are not too... (View More)

Audience: Informal education
Materials Cost: Free

This video is narrated by NASA scientist Peter Griffith who explains fast and slow carbon cycling on Earth. A banana is an example of fast, young carbon. A chunk of coal is an example of old, slow carbon. Carbon dioxide and vegetation on land seen... (View More)

Audience: Informal education
Materials Cost: Free

This brief (1:46) video explains the stratospheric ozone layer and its role in absorbing harmful UV radiation from the sun. The visualization shows how the thickness of the ozone layer varies with air flow aloft and seasons, and where the biggest... (View More)

Audience: Informal education
Materials Cost: Free

The effects of gravity on near-surface objects and those in Earth orbit are explored in this activity. A brief explanation, links to three related videos, a teacher's guide and short assessment are included.

Keywords: Gravity
Audience: Elementary school, Middle school
Materials Cost: Free

This brief (2:04) video explains the ozone hole over Antarctica - the annual thinning of stratospheric ozone caused by manufactured chemicals. Twenty-five years after the Montreal Protocol limited the use of ozone depleting chemicals, scientists are... (View More)

Audience: Informal education
Materials Cost: Free

This video features NASA scientist Claire Parkinson explaining atmospheric carbon dioxide levels seen in measurements collected at the Mauna Loa observatory since 1958 and recent global model output. The seasonal cycle of plants on land and in the... (View More)

This brief (1:37) video explains the essential Earth science concept of solar radiation - the source of most energy on Earth. ClimateBits videos are designed for Science On a Sphere (SOS) and also available on YouTube. Links are provided to more... (View More)

Audience: Informal education
Materials Cost: Free

This brief (1:53) video describes the UV (Ultraviolet) index and presents a visual range of its monthly strength at Earth's surface. The factors that influence that range- the sun's angle, ozone thickness, clouds, air pollution, surface reflection,... (View More)

Audience: Informal education
Materials Cost: Free