Steve Spangler Science
Dancing Raisins - The Bubble Lifter
Here is an engaging demonstration of density that you can do with your young physical scientists. Place different rough surfaced objects into carbonated liquid. The carbon dioxide bubbles collect on the surface of the objects and...
Curated OER
Buoyancy - Archimedes Principle
Weight of displaced liquid equals the weight of a floating object. Archimedes' Principle is carefully demonstrated and explained in this science video. The quality is acceptable and the instruction sound. Not exciting, but it is a...
Khan Academy
Khan Academy: Fluids: Archimedes Principle and Buoyant Force
Learn about the existence of an upward force on an object equal to the weight of the fluid displaced while that object is submerged in a fluid with this video. This video will introduce students to Archimedes' principle and buoyant...
Sophia Learning
Sophia: Physical Science: Buoyancy
Created to teach students of the 21st century, SOPHIA is bringing buoyancy straight to your fingertips. Become the commander of your own learning experiences as you take part in this brief tutorial. [1:00]
PBS
Pbs Learning Media: Density and Buoyancy: Testing Liquids
Will a grape float in oil? Will a metal nut sink in corn syrup? Watch as the ZOOM cast tests the buoyancy of a variety of liquids and objects. [4:22]
PBS
Pbs Learning Media: Density and Buoyancy: Experimenting With Club Soda
In this video segment adapted from ZOOM, the cast discovers that gas-filled bubbles act like life jackets for raisins, making them buoyant. [2:06]
PBS
Pbs Kids: Animations: How Does a Blimp Float?
Narrated animation that visually explains how the air displaced by a blimp causes a buoyant force that gives the blimp lift. (30 secs)
PBS
Wgbh: Peep and the Big Wide World: The Way Things Move: Water Levels
Join these children as they discover what happens when rising water can move objects. [1:26]
Sophia Learning
Sophia: Buoyancy
This lesson will describe how buoyant forces allow objects to float.
Sea Studios Foundation
Shape of Life: Molluscs: Nautilus Regulates Its Buoyancy
A nautilus' shell, when x-rayed, reveals the many chambers, which the nautilus uses to regulate buoyancy as it moves up and down in the ocean. Observe this process with this video! [1:54]
PBS
Pbs Learning Media: Hot Air Balloons
Watch kids use the scientific method to figure out why hot air can lift things. Discover how a hot air balloon works.
PBS
Pbs Teachers: Pour Air Into Water Experiment
This video segment adapted from ZOOM offers a clever demonstration of buoyancy by showing how to pour a cup of air into a cup filled with water. [1 mim, 42 sec]