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Arctic warming produces biological winners (whales) and losers (polar bears). This article explains why they are impacted differently and includes supplemental images. This lesson is part of the Climate Kids website, a NASA education resource... (View More)

Audience: Informal education
Materials Cost: Free

Adding lemon juice to water increases the water's acidity; adding carbon dioxide to water will also increase acidity. The effects of the carbon dioxide acidification of ocean water from burning fossil fuels are discussed and images of some of the... (View More)

Keywords: Greenhouse gases
Audience: Informal education
Materials Cost: Free

Following a brief introduction to tidal energy, this article discusses the use of tidal generators to convert that energy into electricity. The article also features a description and images of the Invergordon, Scotland tidal energy generator. This... (View More)

Audience: Informal education
Materials Cost: Free

The consequences of both sea ice melting and increases in ocean water temperature are presented in this examination of sea level- another of Earth's vital signs. This lesson is part of the Climate Kids website, a NASA education resource featuring... (View More)

Keywords: Global warming
Audience: Informal education
Materials Cost: Free

One of Earth's vital signs, the extent of sea ice cover in the Arctic, is examined. An image and accompanying text describe the extent and consequences of the reduction in that sea ice. This article is part of the Climate Kids website, a NASA... (View More)

Keywords: Global warming
Audience: Informal education
Materials Cost: Free

This series of 13 captioned images depict the effects of global warming, oil spills and human waste on ocean water, organisms, and beaches. The Climate Kids website is a NASA education resource featuring articles, videos, images and games focused on... (View More)

Audience: Informal education
Materials Cost: Free

This article examines the ocean's role in heat absorption and carbon dioxide absorption. The consequences of changes in those, as well as in ocean water salinity, are discussed. The article is part of the Climate Kids website, a NASA education... (View More)

Keywords: Global warming
Audience: Informal education
Materials Cost: Free

The brief introduction to El Niño presented in this article also offers insights into its role during the quiet 2009 hurricane season. This article is part of the Climate Kids website, a NASA education resource featuring articles, videos, images... (View More)

Audience: Informal education
Materials Cost: Free

The total amount of water on Earth, the places in which it is found and the percentages of fresh vs. salt are examined in this lesson. A short demonstration allows students to visualize the percentage differences and a coloring exercise illustrates... (View More)

Intended for use prior to viewing the Science on a Sphere film "Water Falls," this lesson introduces students to Earth's water cycle and the importance of freshwater resources.