Learn about Leap Day 2024! A leap year only happens once every 4 years, so don't miss out on an opportunity to teach your students about it!Students learn about how the earth rotates and how it orbits the sun in a revolution. Explain why we have a leap day every four years.Then students build their own origami earth racer to race for 366 days. There are detailed instructions on how to build their earth jumper and printable posters about leap year and earth's orbit.We also included a writing exte