PBS
Pbs: Sesame Street: Science
A collection of interactives, videos, and documents on a variety science concepts.
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...
Mocomi & Anibrain Digital Technologies
Mocomi: Buoyancy
Ever wonder why/how things float? This concept is called buoyancy. Take this interactive journey to learn and understand how and why certain materials float and others sink to the ocean floor.
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.
Middle School Science
Mss: Density Demonstration: Coke vs. Diet Coke
In this demonstration, students will brainstorm to find a solution as to why Diet Coke floats and Coke sinks. Through this exercise students will arrive at a definition of density.
Exploratorium
Exploratorium: Science Snacks: Condiment Diver
Use a condiment packet as a Cartesian diver to show how pressure changes cause the "diver" to float, sink or hover.
TeachEngineering
Teach Engineering: Clay Boats
Each student uses a small quantity of modeling clay to make a boat that will float in a tub of water. The object is to build a boat that will hold as much weight as possible without sinking. In the process of designing and testing their...
CK-12 Foundation
Ck 12: Chemistry Simulation: Going Fishing
[Free Registration/Login Required] Students will be able to change the mass and volume of an item and observe if it floats, sinks, or remains at a certain depth in the water. Students will also be able to change the liquid in level 2.
PBS
Pbs Teachers: Scientific American: Beneath the Sea: Blowing Ballast
Explore the use of ballast to manipulate buoyancy in submarines by building a model of a submersible using two-liter bottles and balloons. Describe the balance of forces that is responsible for the surfacing and diving of submersibles.
Staten Island Children's Museum
Staten Island Children's Museum: Sea of Boats
Use this activity guide to discover about boats and learn some water science.
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