The electromagnetic spectrum is comprised of all frequencies of electromagnetic radiation that propagate energy and travel through space in the form of waves.
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Grade Level: 3-5,
6-8,
9-12
Grade Level: 3-5,
6-8,
9-12
Review this page to learn about the background of volcanoes and their eruptions.
Grade Level: 3-5,
6-8,
9-12
An urban heat island is a phenomenon that is best described when a city experiences much warmer temperatures than in nearby rural areas. The sun’s heat and light reach the city and the country in the same way. The difference in temperature between urban and less-developed rural areas has to do with how well the surfaces in each environment absorb and hold heat.
Grade Level: 3-5,
6-8,
9-12
Students observe monthly images of changing vegetation patterns, looking for seasonal changes occurring throughout 2017. These data can be used by students to develop their own models of change.