Unit Plan
CK-12 Foundation

Ck 12: Physical Science: Archimedes' Law

For Students 7th - 9th
[Free Registration/Login may be required to access all resource tools.] Archimedes Law: displacement and buoyant force and why some objects float.
Lesson Plan
My Science Site

Beneath the Sea: Blowing Ballast [Pdf]

For Teachers 5th - 8th
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...
Activity
PBS

Pbs Teachers: Submarine Race Experiment

For Students Pre-K - 1st
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.
Lesson Plan
Utah Education Network

Uen: Sink or Float

For Teachers 1st
Predict and test everyday objects as to whether they sink or float.
Activity
TeachEngineering

Teach Engineering: Rock and Boat

For Teachers 9th - 10th
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...
Activity
Michigan Reach Out

Austin University: Demonstrating Air Pressure With Eggs

For Teachers 9th - 10th
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.
Activity
Museum of Science

Museum of Science and Industry: Online Science: Design a Submarine

For Students 3rd - 9th
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.