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- Amazing liquid conductor
- Students will mix a variety of liquid solutions together to see if they will light a light bulb in a electrical circuit. They will be able to identify liquid electrical conductors and nonconductors. Also they will be able to identify that liquid solutions that contain a noticeable amount of acid or salt are good conductors of electricity. Each group of students will make a closed circuit to test their solutions.
- Format: lesson plan (grade 4 Science)
- By Martha Martin.
- Plessy v. Ferguson
- The text of the Supreme Court's decision in Plessy v. Ferguson upholding the constitutionality of racial segregation even in public accommodations (particularly railroads), under the doctrine of “separate but equal.”
- Format: court decision/primary source
Resources on the web
- The little transistor that could
- The purpose of this lesson is to explore the nature of technology through the history of the transistor. In this investigation students will look at the development of a technology that has had a huge impact on modern life—the transistor. Students... (Learn more)
- Format: lesson plan (grade 7–8 Science)
- Provided by: American Association for the Advancement of Science
- John Brown and the Underground Railroad
- Students analyze John Brown's attitudes and actions against slavery and then compare Brown's views with those of other people who were active in the Underground Railroad and the abolitionist movement. (Learn more)
- Format: lesson plan (grade 9 English Language Arts and Social Studies)
- Provided by: National Geographic