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Activity: Electrolysis of Water

Explore the composition of water using electrolysis. For an electrical current to flow, a circuit has to be complete. A circuit can consist of a battery and two wires connected to electrodes that go into a solution.

Activity: Matter Concept Map

Create a concept map of basic chemical terms.

Activity: Measuring Salinity

Construct and standardize a hydrometer. This hydrometer is a tool that can be used in many activities and should be constructed solidly.

Activity: Water Layers

Make graphs showing vertical temperature profiles of the Pacific ocean basin.

Activity: Density Bags

Test the effects of salinity and temperature on the floating and sinking of liquid samples in bags.

Activity: Determine Your Latitude

Use a simple sextant made from class materials to determine your latitude using the North Star.

Activity: Mapping the Globe

Make three maps of a globe: an orthographic-projection map, a cylindrical-projection map, and an equal-area map.

Activity: Floating Magnetic Compass

Navigators use compasses to travel on both land and sea. In this activity, we make a floating magnetic compass useful for short distance travel.

Activity: How Much Water?

Using two maps of the world, determine approximately how much of the surface of the earth is land and how much is covered by water.


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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.