What You Need:

  • A light source
  • Globe/large ball
  • Small ball

The Science Behind It:

Did you know? Our Earth sits at a 23.5 degree tilt at all times! This means that at different times of the year, different parts of the world receive more direct light and heat from the Sun, leading to warmer seasons. Because the tilt is always in the same direction, seasons change as the Earth goes through its year-long orbit around the Sun.