Hi, what do you want to do?
Curated OER
Water Resistance (1)
Get the class thinking about why particular objects and animals are shaped the way they are. Considering water resistance and shape, learners assess a series of images and how those objects function in water. They finish by conducting a...
Curated OER
Labeling Forces Correctly!
Define six common forces: propulsion, air resistance, water resistance, friction, gravity, and upthrust. A picture of a Smart Car is displayed with arrows showing all of the forces acting on it when it is motion. A picture of a rubber...
National Sailing Hall of Fame
How a Sailboat Works: Hull Speed and Buoyancy
How can you determine the maximum speed of a sailboat? A sailing presentation included with a straightforward lesson plan prompts learners to calculate the maximum speed of a sailboat with a displacement hull. The...