CK-12 Foundation
Ck 12: Physical Science: Archimedes' Law
[Free Registration/Login may be required to access all resource tools.] Archimedes Law: displacement and buoyant force and why some objects float.
My Science Site
Beneath the Sea: Blowing Ballast [Pdf]
Students dive down deep as they experience a hands-on activity and build a model of a submersible. Lesson plan includes a web connection, a teaching guide, extensions to learning as well as curriculum links and national science...
PBS
Pbs Teachers: Submarine Race Experiment
Balance the force of gravity with the force of the expanding gasses created by mixing baking soda and vinegar. Create a soda bottle submarine that sinks to the bottom of the bathtub and then rises back to the surface.
Utah Education Network
Uen: Sink or Float
Predict and test everyday objects as to whether they sink or float.
TeachEngineering
Teach Engineering: Rock and Boat
Students observe Archimedes' principle in action in this challenge where a toy boat is placed in a container of water and a rock is placed on the floating boat. Students must explain why the water level rises/falls/stays the same based...
Michigan Reach Out
Austin University: Demonstrating Air Pressure With Eggs
This site will tell you how you can use an egg to identify air pressure and how it affects objects. Includes easy step by step instructions.
Museum of Science
Museum of Science and Industry: Online Science: Design a Submarine
Become an engineer, and design a submarine that moves in the water like a real submarine. Try making it sink, float, and hover in the water.