Texas Education Agency
Texas Gateway: Ap Physics: Fluid Statics: Archimedes' Principle
By the end of this section, you will be able to define buoyant force, state Archimedes' principle, understand why objects float or sink, and understand the relationship between density and Archimedes' principle.
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...
Massachusetts Institute of Technology
Mit: Open Course Ware: Buoyancy
Students explore buoyancy. Some topics examined in the activities are buoyant force, stability of floating objects, and Archimedes' principle. The resource consists of video clips, lecture notes, practice problems, and exam questions....
Science Education Resource Center at Carleton College
Serc: Investigating Buoyancy: Calculating the Maximum Load of a Ship
Students will use critical thinking skills to predict the maximum mass that a ship can hold without sinking. Students will then test their prediction by sailing their loaded ship.
Science Education Resource Center at Carleton College
Serc: Buoyant Force
In this Physics lab, students learn about Archimedes' Principle. An object is submerged in water and vegetable oil and the buoyant force and height are measured at different levels. The slope of the graph Buoyant Force vs. Height is the...
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.
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...
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Atwood Machine in Fluid Model
Simulation of an Atwood machine where two masses of varying densities are suspended in water using a pulley system. Adjust the densities of the masses, their positions and the water level to see how the changing gravitational, buoyant,...
Concord Consortium
The Concord Consortium: Molecular Workbench: Archimedes' Buoyancy Principle
Adjust the ratio of the masses of different particles to see how buoyancy is affected.
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.
TeachEngineering
Teach Engineering: Floating and Falling Flows
Students discover fluid dynamics related to buoyancy through experimentation and optional photography. Using one set of fluids, they make light fluids rise through denser fluids. Using another set, they make dense fluids sink through a...
CK-12 Foundation
Ck 12: Physical Science: Buoyancy
[Free Registration/Login may be required to access all resource tools.] Definition of buoyant force and how weight and density relate to buoyant force and the ability to float.
Other
Aquaholic: Buoyancy and Archimedes Principle
Description of buoyancy and a definition of Archimedes' Principle. Problems are presented and solved using Archimedes' Principle.
Walter Fendt
Walter Fendt: Buoyant Force in Liquids
An app that demonstrates the Law of Archimedes. This virtual experiment will show students that by changing the shape of the solid, the amount of liquid displaced will change.
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.
Khan Academy
Khan Academy: What Is Buoyant Force?
A page that answers the question of "why the heck do things float?". Learn about Archimedes' principle and buoyant forces.
Khan Academy
Khan Academy: The Buoyant Force Does Not Get Smaller as You Sink
This article explains the buoyant force using a submarine as an example. It also discusses what determines the size of the buoyant force using a formula, and explains decompression sickness better known as the bends.
PBS
Pbs Learning Media: Buoyancy Brainteasers: Boat in Pool Puzzler
This interactive brainteaser from the NOVA: "Voyage of Doom" Web site challenges you to figure out what happens to the water level when a rock is resting in a boat and when it is submerged in water.
Wolfram Research
Wolfram Science World: Buoyancy Force
This site provides a brief description and explanation of the buoyancy force. Content includes two formulas.
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.
Annenberg Foundation
Annenberg Learner: 5 Question Survey: Rising and Sinking
Find out your or your students' understanding of fluid displacement. Afterwards you can see how others answered the questions.