Curated OER
The Energy of Decay
Students explore the decaying of organic matter. In this physical science lesson, students view a video of how organic material is harvested as an energy source. Students find uses for an old piece of fruit.
Vision Learning
Visionlearning: Exponential Equations in Science: Constant E, Limits to Growth
An introduction to exponential equations that describe growth and decay over time. Variables and constants in the equation are explained.
US Geological Survey
U.s. Geological Survey: Geologic Time
A discussion of geologic time, how scientists use the concept, and how they have determined its span.
Vision Learning
Visionlearning: Exponential Equations in Science: Growth and Decay
Definition of exponential equations and an explanation of how they relate to science.