American Chemical Society
Inquiry in Action: Changing the Density of a Liquid: Heating and Cooling
In this activity, students will investigate whether the temperature of water affects its density. Students will place colored hot and cold water in a cup of room-temperature water to see that cold water sinks while hot water floats. Then...
Exploratorium
Exploratorium: Science Snacks: Klutz Proof Density Column
An activity to help you create a density column that contains layers of liquids that are separated by different densities.
TeachEngineering
Teach Engineering: Density Rainbow and the Great Viscosity Race
Students explore the densities and viscosities of fluids as they create a colorful 'rainbow' using household liquids. While letting the fluids in the rainbow settle, students conduct 'The Great Viscosity Race,' another short experiment...
Treehut
Suzy's World: How Come Some Liquids Don?t Mix?
This site from Suzy's World explores how and why certain liquids mix better than others. Content includes fun facts and a classroom experiment. This site also includes links to additional information on related subjects.
Energy4Me
Energy4me: Exploring Oil Seeps
How does oil seep naturally from beneath layers of rock to the surface of the ocean?