PBS
Pbs Learning Media: Matter's Physical Properties: Interactive Lesson
In this interactive lesson, learn what the "physical properties" of matter are and how can they be measured and observed.
National Geographic
National Geographic: Observing Physical and Cultural Landscapes
In this lesson, students examine photographs of Europe as they learn to distinguish between physical and cultural characteristics of a landscape, and make observations and inferences about the places and people in the photographs. They...
National High Magnetic Field Laboratory
Magnet Academy: Felix Bloch (1905 1983)
Physicist Felix Bloch developed a non-destructive technique for precisely observing and measuring the magnetic properties of nuclear particles. He called his technique "nuclear induction," but nuclear magnetic resonance (NMR) soon became...