Sprout&Spark
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The Story of the Compass

How a needle found north

Grab a magnet and let's travel back in time to see how a tiny floating needle changed how we explore our planet!

1/5
  1. 2,000 Years Ago

    Magic Rocks

    People in ancient China found a special dark rock called lodestone. They noticed this strange rock always turned to point in the exact same direction!

The big idea

Earth is like a giant magnet, and a compass needle always points along its magnetic lines.

Fun facts

  • Homing pigeons have tiny magnetic bits in their beaks that act like built-in compasses!
  • The Earth's magnetic north pole actually moves a little bit every single year.
  • Spacecraft use special 'star compasses' that look at bright stars instead of magnets to steer through space.

Science words

  • LodestoneA rare kind of natural rock that attracts metal just like a magnet.
  • MagnetAn object that pulls iron metal toward itself using an invisible force.
  • NavigateTo figure out where you are and steer your way to where you want to go.