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Activity: Sea Level and Gravitational Flow

Simulate the interaction of bodies of water at different heights.

Activity: Build a Drifter

Drifters are used to measure current speed below the surface of the water. Speed can be calculated by measuring the time it takes a drifter to travel a known distance. Build a drifter to measure water flow at a beach, river, lake, or manmade channel.

Activity: Current Observation Methods

Explore different ways of measuring water currents and understand the effects of currents on stationary objects.

Activity: The Effects of Pressure

Simulate the effects of pressure on a free diver’s body by using a syringe system.

Activity: Colors of the Light Spectrum

This experiment helps to demonstrate light reflection and absorption using objects of various colors.

Activity: Ship Speed and Efficiency

Test the speed of ship models and the efficiency of ship models at different speeds.

Activity: Design a Ship

Apply your knowledge of buoyancy and ship stability to design a model ship. Test, evaluate, and refine the design of your model to optimize performance.

Activity: Evaluating Cargo Transportation

Determine the criteria for evaluating cargo transportation across bodies of water and the optimal type of cargo conveyance for different distance and cargo load scenarios.

Activity: Ship Stability

Using cross-sectional models, determine whether various ship designs are stable.

Activity: Boat Floatation

Determine the net buoyant force of materials used to construct boats. Determine the effect of boat shape on cargo-carrying capacity.


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Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. University of Hawaii, 2011. This document may be freely reproduced and distributed for non-profit educational purposes.