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Now showing results 141-150 of 1957

This video explains air quality and specifically describes Earth's air pollution seen from space by satellites. As the world's largest environmental health risk, air pollution is important to understand, monitor, and reduce. Over the past 10 years,... (View More)

A short slide set focusing on the Kepler Mission’s exoplanet discoveries. Each slide includes informative text and related images. This is one in a series of short topical presentations on new developments from NASA astrophysics missions. Each is... (View More)

Small groups of students form imaginary travel agencies and use Hubble images to plan the "trip of a lifetime" to ten celestial destinations. The activity acquaints students with the repository of Hubble images and encourages them to think about... (View More)

This news story describes the innovations, operations, size, and capabilities of the James Webb Space Telescope. The article also presents and discusses the questions and theories that the telescope will explore and test. Star Witness News is a... (View More)

Designed to help students learn about NASA's missions currently studying the sun and its effects on Earth, this second of two storybooks in the series focuses on the importance of collaboration in data acquisition and analysis. Through a series of... (View More)

Audience: Elementary school, Middle school
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 (1:58) video provides an explanation of El Niño and its impact on the marine food web. Satellite images of a large El Niño in 2015 show the impact on both water temperature and phytoplankton blooms. ClimateBits videos are designed for... (View More)

Audience: Informal education
Materials Cost: Free