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In this lesson, each student is given a block of wood and a screw (or nail), and is asked to put the screw into the block, without any tool (like a screwdriver or hammer). Their efforts, with varying success, lead to a discussion of contrivances, using various items and strategies as make-do (contrived) tools for which they were not intended, and an exploration of many examples of contrivances or ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Lesson plan
Subject: Biology
 
Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Pedagogical help
Misconceptions: Read (2)
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
Pedagogically Annotated Collection     Browse collection
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A common criticism of natural selection is: How can it produce novel complex useful structures by pure random chance? Darwin argued that selection is not a random process, and furthermore, it is cumulative. This lesson provides a way for students to actually compare the cumulative non-random selection of Darwin with the non-cumulative version so often erroneously implied. Students attempt to produce ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Lesson plan
Subject: Biology
 
Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Pedagogical help
Misconceptions: Read (2)
Related resources and collections
This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
Pedagogically Annotated Collection     Browse collection
Comment on this resource
This introduction to the concept of biological complexity demystifies and debunks the argument of Paley that a complex watch is compelling evidence requiring a (complex) watchmaker (designer or creator). It employs a mathematical exercise to demonstrate this, involving a randomizing component (a die), and a simple mathematical rule (the non-random component), resulting in the repeated plotting of ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Lesson plan
Subject: Biology
 
Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Pedagogical help
Misconceptions: Read (2)
Related resources and collections
This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
Pedagogically Annotated Collection     Browse collection
Comment on this resource
In this lesson, students are given a variety of materials and are asked to design a heat loss experiment that will result in a reasonable explanation of why whales do not have legs. Students will learn that natural selection favors a body design that is energy efficient. Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Lesson plan
Subject: Biology
 
Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Pedagogical help
Assessments: Read (1)
Misconceptions: Read (2)
Related resources and collections
This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
Pedagogically Annotated Collection     Browse collection
Results 1 - 4 of 4