Reasons for Seasons Exploring the Astronomy of Spring Following the Sun for a Day Creating an Earth/Sun Model (Back to Lesson) 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 Objects in the sky have patterns of movement. The sun, for example, appears to move across the sky in the same way every day. (K-4) An object's motion can be described by tracing and measuring its position over time. (K-4) 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)   This Season Teachers Kids Orientation Registration Search Copyright 1997-2008 Journey North. All Rights Reserved. Questions or comments? Contact us.