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Subtopic: Solids, Liquids and Gases

Change grade range

Resource	Grade Level	Media Type
Comparing the Density of Liquids, Solids, and Gases Students compare the relative densities of different liquids and then solids, and also explore the density of air versus the density of water.	3-5	Lesson Plan
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.	K-8	QuickTime Video
Density and Buoyancy: Making Eggs Float Why does an egg float in salt water? Learn about density and buoyancy in this video segment adapted from ZOOM.	K-8	QuickTime Video
Density and Buoyancy: Mixing Hot and Cold Water Watch warm water float on top of cold water in this video segment adapted from ZOOM.	K-8	QuickTime Video
Density and Buoyancy: Pouring Air into Water 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.	K-8	QuickTime Video
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.	K-8	QuickTime Video