Reasons for Seasons
Exploring the Astronomy of Spring
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Sunrise, Sunset, and Seasons
Exploring Daylength (Photoperiod)
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National Science Education Standards

Science as Inquiry

  • Ask a question about objects, organisms, events. (K-4)
  • Scientists develop explanations using observations (evidence) and what they already know about the world. Good explanations are based on evidence from investigations. (K-8)

Physical Science/Earth and Space Science

  • The sun, moon, stars, clouds, birds, and airplanes all have properties, locations, and movements that can be observed and described. (K-4)
  • Most objects in the solar system are in regular and predictable motion. Those motions explain phenomena such as the day, the year, phases of the moon, and eclipses. (5-8)
  • Seasons result from variations in the amount of sun's energy hitting the surface, due to the tilt of the earth's rotation on its axis and the length of the day. (5-8)
National Geography Standards
  • How to use maps and other geographic representations, tools, and technologies to acquire, process, and report information.

 

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