Keywords: Buoyancy
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Advanced Fluid Dynamics of the Environment, Fall 2002
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| Type: | Course Related Materials |
Abstract: Theoretical topics of fluid dynamics relevant to natural phenomena or man-made hazards in water and atmosphere. Basic law of fluid motion. Scaling and approximations. Slow flows, with applications to drag on a particle and mud flow on a slope. Boundary layers: jets and plumes in pure fluids or in porous ... More »
Balloons & Buoyancy
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| Type: | Course Related Materials |
Abstract: Experiment with a helium balloon, a hot air balloon, or a rigid sphere filled with different gases. Discover what makes some balloons float and others sink.
Buoyancy Basics
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| Type: | Course Related Materials |
Abstract: This illustrated demonstration from the NOVA Web site explains the concepts of buoyancy and density by showing what happens when different kinds of wood blocks are dropped in water.
Buoyancy Brainteasers: Balloon-in-Car Puzzler
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| Type: | Course Related Materials |
Abstract: This interactive brainteaser from the NOVA Web site challenges you to explain the behavior of a helium-filled balloon in a moving car.
Buoyancy Brainteasers: Boat-in-Pool Puzzler
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| Type: | Course Related Materials |
Abstract: This interactive brainteaser from the NOVA Web site challenges you to figure out what happens to the water level when a rock is resting in a boat and when it is submerged in water.
Buoyancy Brainteasers: Buoyancy Question
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| Type: | Course Related Materials |
Abstract: This interactive brainteaser from the NOVA Web site challenges you to figure out what causes an object to sink.
Density and Buoyancy: Experimenting with Club Soda
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| Type: | Course Related Materials |
Abstract: In this video segment adapted from ZOOM, the cast discovers that gas-filled bubbles act like life jackets for raisins, making them buoyant.
Density and Buoyancy: Making Eggs Float
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| Type: | Course Related Materials |
Abstract: Why does an egg float in salt water? Learn about density and buoyancy in this video segment adapted from ZOOM.
Density and Buoyancy: Mixing Hot and Cold Water
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| Type: | Course Related Materials |
Abstract: Watch warm water float on top of cold water in this video segment adapted from ZOOM.
Density and Buoyancy: Pouring Air into Water
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| Type: | Course Related Materials |
Abstract: 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.
Density and Buoyancy: Testing Liquids
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| Type: | Course Related Materials |
Abstract: 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.
Exploring properties of matter with submersibles
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| Type: | Course Related Materials |
Abstract: This inquiry-based learning activity allows students to explore the relationships between mass, volume, density, and buoyancy as they manipulate various materials to construct a submersible "vehicle" for deep-sea research.