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...
Other
Catch the Science Bug: Plant Observation Investigation [Pdf]
Write down your observations about the different types of plants or flowers you see in their natural habit then record them on the data collection sheet.
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...