Science is Fun
Science Is Fun: The Cartesian Diver
A simple experiment in buoyancy where you discover how to make a packet of sauce or candy float or sink at will, and why you are able to do this.
Science is Fun
Science Is Fun: Dancing Raisins
An experiment in buoyancy which involves making raisins float by using carbonated soda pop. Students then try the same test with other materials. Instructions for making one's own carbonated liquid are also provided.
Science is Fun
Fun Science: Sinking and Floating Soda Cans
Why do some pop cans float in water while others don't? This easy experiment is a great example of the principle of density.
Science is Fun
Fun Science: Bowling Balls: Sink or Float?
For a dramatic illustration of density check out this demonstration. It's simple to do, only requiring a bowling ball and some water.
Science Education Resource Center at Carleton College
Serc: Density of Solid Objects
In this science inquiry, students investigate whether volume or density of objects determine the floating or sinking in water. Using a rock and a block of wood teachers engage students in the discussion of density, mass and volume.
![Cosi Columbus: Buoyant Bubble [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Cosi Columbus: Buoyant Bubble [Pdf] Activity")
Center of Science and Industry
Cosi Columbus: Buoyant Bubble [Pdf]
Learn about density in this hands-on science experiment. Includes full list of materials, procedures, and scientific explanation of what makes an object float or sink. [PDF]
My Science Site
Density Demonstration: Coke vs. Diet Coke [Pdf]
Help students brainstorm and find a solution as to why Diet Coke floats and Coke sinks. Student will learn to define what density is as they engage in this creative lab. This resource is in PDF form; requires Adobe Reader.
Bill Nye
Bill Nye: Eggs Speriment
Try this at-home science experiment to learn if salt affects the way things float.
Alabama Learning Exchange
Alex: What's the Matter: A Sinker or Floater?
Students will explore matter that sinks or floats when submerged in water and that matter is categorized as either a sinker or a floater. Students will work actively in small, cooperative learning groups as well as gather in a whole...