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Subtopic: Physical Properties of Objects

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
Materials Lab This interactive activity from the Building Big Web site explores the properties of different types of building materials.	3-12	Flash Interactive
Reading a Thermometer In this video segment from Cyberchase, the CyberSquad learns how to read a thermometer as they try to keep their chocolate sculpture from melting.	3-5	QuickTime Video
Volume and Shapes If boxes have different shapes but are made from the same number of identical blocks, do they have the same volume? Explore properties of shape and volume in this video from Curious George.	K-5	QuickTime Video