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Ice Bomb – Instructor’s Guide

Ice bomb
Water explosion
2:35PM
August 16, 2011

Exploring water’s unusual characteristic of expanding when it freezes

Ice Bomb

Ice bomb
Water explosion
2:27PM
August 16, 2011

Exploring water’s unusual characteristic of expanding when it freezes

Brachistochrone Curve – Instructor’s Guide

Brachistochrone Curve
Brachistochrone Curve
4:48PM
August 15, 2011

The quickest way – not shortest distance – between two points

Glowing Spinach – Instructor’s Guide

Chlorophyll glowing
Chlorophyll glowing
4:09PM
August 15, 2011

Why chlorophyll turns red under ultra-violet light

Glowing Spinach

Chlorophyll glowing
Chlorophyll glowing
3:57PM
August 15, 2011

Why chlorophyll turns red under ultra-violet light

Shuttle Tile

Fire syringe demonstration
Fire syringe demonstration
3:40PM
August 15, 2011

Why meteorites burn when then enter earth’s atmosphere

Shuttle Tile – Instructor’s Guide

Fire syringe demonstration
Fire syringe demonstration
3:27PM
August 15, 2011

Why meteorites burn when then enter earth’s atmosphere

Sound and Vibration

Standing Waves
Standing Waves
2:56PM
August 15, 2011

Sound waves through an aluminum tube; standing waves in liquids

What is a Wetland?

Swamp
Wetland
11:30AM
August 15, 2011

Swamps, Marshes, Ocean inlets…All of these are wetlands, which have standing water and are not deep

Wetland Water

Man next to wetland
Wetlands can be open or closed
11:16AM
August 15, 2011

Hydro periods are a fingerprint on how wetlands receive their water: from river overflows, rain, or runoff. To understand a particular wetland, scientists must understand where the water comes from, and to figure out if a wetland is OPEN or CLOSED.