Dancing droplets, milk mayhem, and tire treads? Explore the characteristics of liquids and how they work in our daily lives. Learn about cohesion and adhesion. STEM Challenge: build bottle cars powered by a chemical reaction.
The Great Lakes only national marine sanctuary brings underwater history up close. Whether you’re in a glass-bottomed boat, looking down from a kayak, or diving underwater, the shipwrecks at the Thunder Bay National Marine Sanctuary give you a haunting look at the past.