L2 - Seasons & the Sun

Part 1: Day & Night

• Day & Night on Earth Demo Links to an external site.

Part 2: Seasons Simulation

• Seasons (Daylight length) Simulation (SEPUP) Links to an external site.

Part 3: Direct & Indirect - Graph Paper

• Direct vs. Indirect Light - Demonstration Video Links to an external site.
• Season Simulation (SEPUP) Links to an external site.

Part 4: Direct vs. Indirect - Light Meter Investigation

• Seasons Simulation (Kahn Academy) Links to an external site.
  
• Why Do We Have Different Seasons? | California Academy of Sciences Links to an external site.
• Earth's Tilt 1: The Reason for the Seasons | MIT K12 Links to an external site.

Other:

Seasons:

• Are we closer to the Sun in summer? Links to an external site. (Marnie's Explanation)

Observing the Sun

• Simulation Program page (stellarium.org)
• Sun in the Sky - Sun Observations [Video] Links to an external site.

Daylight Length Model

• Daylight Length Model - NO Tilt Links to an external site.
• Daylight Length Model - Tilted Earth Links to an external site.
• Seasons (Daylight length) Simulation (SEPUP) Links to an external site.
• Setting Up the Earth and Sun Model (OpenSciEd Video) Links to an external site.