Day and Night

Description
In this video, we demonstrate a Day and Night table-top model to show how Earth’s rotation causes day and night. Using a simple hands-on setup, students can clearly visualize sunlight falling on Earth and understand why different places experience day and night at different times.
Learning Objectives

  • Understand what causes day and night on Earth.

  • Learn about Earth’s rotation on its axis.

  • Visualize how sunlight falls on Earth.

  • Identify the lit and dark halves of Earth.

  • Develop basic astronomy visualization skills.

    • Key Takeaways

  • Day and night occur due to Earth’s rotation, not revolution.

  • Earth takes about 24 hours to complete one rotation.

  • Only one side of Earth faces the Sun at a time.

  • A table-top model makes the concept easy and clear.

  • This concept explains time differences across locations.

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