Weathering Action

To observe changes in materials when exposed to the elements.

Two pieces of steel wool
Two plastic containers one with a lid
A piece of paper and pen or pencil to record your observations

Sample Chart:

Steel Wool Descriptions
Date	Inside	Outside	Weather Conditions
Aug 13	Black & silver	Black & silver	Sunny, Warm, 81
Aug 14	Dry, black &silver	Wet ,black & silver	Cloudy, rain, 76
Aug 15	No change	Brown spots on top of the steel wool and on side of the cup. Water in the bottom of the cup looks rusty	Overcast, 80 , slight wind
Aug 29	No change	Very rusty	Sunny and humid
Sept 4	No Change	Crumbles apart	Sunny and windy

Copyright 2004 Seton Hall University
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