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093-Weathered Rock Grades 4-12 $6.00
Mystery includes rock, fossil, or mineral sample and Mystery questions with teaching instructions.

SAMPLES:
A piece of weathered rock, one that is crumbly, light-weight, rusty-looking, but that shows 'ghosts' of minerals that have been dissolved and weathered. Saprolite is perfect for this mystery.

TEACHING OBJECTIVES:
To introduce the concept of weathering as a process of dissolving and carrying away reactive elements from the minerals in rocks
To dramatize the idea that 'dirt' (and soil) is formed from rock that has reacted with rain
To help students understand the relationship between weathering and the composition of the oceans

GRADES 4-12
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Ruth Deike
Rock Detective Geoscience Education
395 Deer Run Drive
Nellysford , VA 96080

Phone: 434-263-3737

EMAIL:

 

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