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
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
Our Earth is a dynamic system with diverse subsystems that interact in complex ways. Questions that scientists have about the Earth as a System may include the following. As you learn more about the Earth System, reflect on these questions.
Grade Level: 3-5,
6-8,
9-12
This graphic organizer may be used to help students analyze the processes and components of Earth System phenomena.