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1 resources with the keyterm imperfection

Videos (Over 2 Million Educational Videos Available)
Population Genetics Video
2:45
Population Genetics
Algebra 50 - Three Variable Systems in the Real World - Problem 2 Video
10:23
Algebra 50 - Three Variable Systems in the...
Defining Gravity Video
3:11
Defining Gravity
Other Resource Types (1)
Lesson Planet

Blocks And Screws (or "screwy Contrivances")

For Teachers 6th - 8th
Students, given a block of wood and a screw or nail, are asked to put that screw or nail into a block. They examine how many contrivances and other imperfections found in living things are best explained by the process of evolution.