Earth, Moon, and the Sun

Topics

• Earth’s movements

  • Rotation and day–night changes
  • Revolution around the Sun
  • Changing seasonal sky
  • Earth’s tilt and seasons

• Eclipses

  • Sun–Earth–Moon alignment
  • Solar and lunar eclipses
  • Safe observation principles

Learning objectives

1. Use an Earth–Sun–Moon model to distinguish seasons from eclipses.