Curated OER
Regents Exam Questions: Quadratics
In this quadratics worksheet, students identify the roots of a quadratic equation. They use FOIL and the quadratic formula to solve quadratic equations. This seven-page worksheet contains 32 problems. Answers are provided on the last...
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Food Webs
Fourth graders discover how organisms depend upon each other in an ecosystem. In this ecosystems lesson, 4th graders use food webs to discuss the interdependence between organisms in an ecosystem.
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Making A Compass
This interesting science lesson is about the compass. Students make a compass out of a magnet, sewing needle, cork, and a glass dish. The lesson includes both a pre and post-test for the students to take, and some very good links to...
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The Discovery of Ohm's Law
Students study Georg Ohm and how he changed mathematics with his law. In this experimental evidence and stastics lesson students complete an experiment on the characteristics of Ohm's law.
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Current-Carrying Coils In Magnetic Fields
Students predict the direction of movement for the pointer of a home-made galvanometer for a given current direction and describe how the current-carrying coil exerts a force on the magnet.