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University of Texas at Austin
The University of Texas Mc Donald Observatory: Properties of Dust
Students carry out a scientific investigation of dust in their classroom, then extend their experience to properties of dust in space.
Science Education Resource Center at Carleton College
Serc: Foss Lifeboat Investigation
The second of a lesson plan series contains an activity where students choose a lifeboat's variable to investigate, plan an experiment based on the variable they have chosen, and then test the variable. Upon completion of their...
Pennsylvania State University
Penn State University: Embryology in the Classroom
Come and learn more about how to incorporate embryology into your classroom. This site features tons of information about the embryology of chickens.