Round Earth/Flat Earth Simulation


Put yourself in the position of an ancient mariner and observe what happens when boats sail to and from shore on a round earth. Then observe what happens when boats sail to and from shore on a flat earth.
There is a side view of the sailing boat, with lines of sight drawn in, and a telescope for magnifying the view.

You can select positions from which you make your observations:
• From the top of the lighthouse
• From the water's edge by the lighthouse
• From the top of the boat's mast
• From the deck of the boat

After you have explored the sailing boat, view video clips extracted from the first two hours of the tall ship Libertad heading from San Francisco to Hawaii. Put this evidence together to make a case for a round earth or a flat earth.