Sun and Shadows
Supporting
TEKS Objective
The student is expected to collect and analyze data to identify sequences and predict patterns of change in shadows, tides, seasons, and the observable appearance of the Moon over time.
Essential Understanding
The student knows that there are recognizable patterns in the natural world and among objects in the sky.
Science Background
Tutorial on Earth/Sun Relations and Seasons: Palomar College (Word Document) - Interactive tutorial on seasonal changes and their affects on shadows.
Tutorial on Earth/Sun Relations and Seasons
Academic Technology at Palomar College, palomar.edu
Signature Lesson
Changing Shadows: NASA (PDF) - Students observe changes in shadows over time and develop a sense of Earth’s motion.
Changing Shadows
NASA, www.nasa.gov
Using a Sundial: BioEd Online (website) – Students create their own sundials to observe and predict patterns of change in the daily shadows produced by the sun.
- Supporting Lessons
- Extensions
- Assessment Ideas
- Literature Connections
- Related
TEKS - Additional Resources
Supporting Lessons
The Earth’s Rotation: Harvard-Smithsonian Center for Astrophysics (website) - Collection of short activities that use changes in shadows to explain Earth’s rotation and revolution.
The Earth’s Rotation
Harvard-Smithsonian Center for Astrophysics, hea-www.harvard.edu
TEKS Navigation
Grade 4
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