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Search results for: wosu

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RESOURCE	GRADE LEVEL	MEDIA TYPE
Introduction This video from WOSU Public Media defines wetlands; describes their different varieties; and demonstrates why we should care about them.	7-10	Video
Nature's Kidneys This video shows how wetlands cleanse the ecosystem in ways similar to how kidneys cleanse the human body.	7-10	Video
Nature's Supermarket This video shows a sample of the large varieties of plants, animals, birds and fish that abound in wetlands and looks at the processes that sustain them.	7-10	Video
Banana Hammer To show simple physical change, a banana is frozen in liquid nitrogen and used to hammer a nail into a piece of wood.	4	Video
Brachistochrone Curve This demonstration provides an answer to the question, “What is the path producing the shortest possible time for an object to descend from a given point to another point, under constant gravity with no friction?”	8	Video
Glowing Spinach In this demonstration, stored energy in plants is made visible by shining a black light on the chlorophyll that has been extracted from chopped spinach.	6	Video
Barfing Pumpkin This demonstration shows chemical change with hydrogen peroxide decomposing into water and oxygen.	4	Video
Ice Bomb This demonstration shows the effects of temperature on air and water inside a container. As the water inside a 1/8-inch cast iron container freezes, it expands causing the container to break.	7	Video
Shuttle Tile This demonstration traces the transfer of thermal energy by conduction with the use of a space shuttle tile.	5	Video
Sound and Vibration This two-part demonstration uses an aluminum rod and a mixture of cornstarch and water—oobleck—to show that sound is produced by the vibration of matter.	8	Video
Breathing Blue In this demonstration of chemical change, the presenter blows breath into a methylene blue solution releasing carbon dioxide which acidifies the water and changes it from a bright blue color to green.	6	Video