Curated OER
Tree Identification
Students list four ways to identify trees. In this tree identification instructional activity, students use tree identification techniques such as leafs, bark, wood grain, soil type, and climate to create tables and graphs.
Curated OER
Coho Salmon Enhancement
Students build a fish trap across a small stream. The purpose of the trap is to collect baseline data of Oncorhynchus kisutch, Coho salmon, smolt numbers coming out of a spring-fed pond. Other biological data also be measured.
Curated OER
Enzymes
Tenth graders test their saliva for enzyme activity. In this enzyme lesson, 10th graders conduct an experiment to test the enzymatic activity of their saliva. They relate the lack of certain digestive enzymes with alcoholism.
Pennsylvania Department of Education
Plant and Animal Adaptations
Fourth graders identify behavioral and structural adaptations to plant and animal life. In this unit overview, 4th graders discuss the importance of variation and adaptation in a species survival. This is a unit overview and does not...
Curated OER
Extraction of DNA from White Onion
High schoolers investigate techniques involved in extracting and isolating DNA. Students extract and observe onion DNA.
Curated OER
DNA Fingerprinting through a Chemistry Lens
Students explore DNA and restriction enzymes using fragments of DNA separated by electrophoresis on an agarose gel. They analyze the results to see "whodunit".
Curated OER
Natural Inquirer Ecosystem Article Lesson
Students discover new ways to preserve the ecosystem by completing graphic organizers. In this environmental lesson, students read an article from the Natural Inquirer in small groups and fill out a graphic organizer based on the...