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PBS
Pbs Learning Media: Observing Refraction of Light
This video segment adapted from Shedding Light on Science illustrates how light changes speed, and thus direction, in a process known as refraction. Includes background reading and discussion questions. [2:05]
University of California
South Coast Science Project: Mimicking Plants and Animals Lesson Plan
In this lesson, students are challenged to think about external features that animals and plants have that humans have copied. Students then apply their engineering skills to design a jacket. In addition, this activity introduces the...
University of California
University of California at Berkeley: Understanding Science: Poking Around
Students work in groups to develop an understanding of the size and shape of an object hidden beneath a plywood board, asking questions, testing their reasoning, and drawing conclusions, as scientists do. Students are never permitted to...
University of California
Ucmp: Leonardo's Contributions to Science
Information about Leonardo da Vinci's observations of the natural world. An insightful commentary on the scientific achievements of the Renaissance.
University of Missouri
Microbes in Action: "There's Something Fishy": The Nitrogen Cycle
An opportunity for students to experience the nitrogen cycle through observing daily changes in an aquarium. Students test the level of three nitrogen compounds to understand the process of nitrification. Lesson plan gives a lab...