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Lesson Plan
Curated OER

Estimating Loggerhead Hatchling Gender Ratios

For Teachers 5th - 8th
Learners study sea turtles and the concept of temperature-dependent sex determination (TSD). Using a specific set of temperature data, they determine the probable sex of a nest of sea turtle hatchlings and then determine the overall...
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Worksheet
Curated OER

Infection Control Word Search

For Students 4th - 9th
In this word search activity, students search for terms related to infection control and community health. Words include infectious agents and other health terms.
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Handout
Curated OER

Barn Owl

For Students 2nd - 3rd
In this barn owl worksheet, students read four paragraphs of information about barn owls, and study a photograph. There are no questions here.
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Worksheet
Curated OER

Costa Rican Sea Turtles Worksheet

For Students 6th - 7th
For this sea turtle vocabulary worksheet, students read a passage about sea turtles fill in the blank, short answer and true or false questions about Costa Rican sea turtles.
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Worksheet
Curated OER

The Great American Alligator

For Students 6th - 10th
In this alligator worksheet, students read a short essay describing the natural history of this reptile. Then students complete 3 fill in the blank and 3 short answer questions.
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Lesson Plan
Curated OER

Bacterial Transformation

For Teachers 10th - 11th
Students explore DNA recombination. In this biology lesson, students observe the growth of microscopic species. They predict the phenotype of the transformed colonies.

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