Curated OER
Understanding the Cosmic Microwave Background (CMB)
How did our universe really begin? Explore the Science Big Bang Theory and Cosmic Microwave Background (CMB) with this multiple activity-based lesson that demonstrates that the increase of density due to the decrease of temperatures,...
Curated OER
Paint My Counties: Map Coloring the Counties of Arizona
Fourth graders identify the counties of Arizona. For this social studies lesson, 4th graders color a county map of Arizona using the fewest number of colors possible. Students write a persuasive paragraph.
Rice University
College Physics for AP® Courses
Take a look at an organized physics course. The 34-section electronic textbook covers material in AP® Physics 1 and 2. Teachers use the text to supplement lectures and have the class work through the labs. Each section contains multiple...
Curated OER
Physical Science Review Questions
Prepare your class for a quiz with these physical science review questions. Learners respond to 7 questions about ionic and covalent bonds, oxidation states, and chemical and physical changes. In addition, they name compounds and balance...
Curated OER
Introduction to the Concept of Probability
Middle and high schoolers have a clarified definition of probability, they explore about outcomes in probability and how to calculate experimental probability. They use computers to learn about probability.
Curated OER
Stellar Fingerprints: the Spectra of Stars
Students explain how an element can be identified using emission spectra. They relate the emission spectrum of hydrogen to its absorption spectrum and identify hydrogen absorption lines in the spectrum of stars.
Other
Worqx: Color Systems
In an continuing overview of color and color theory, this site focuses on color systems from Subtractive Color (CMYK color system) to Additive Color (RGB colors).
Other
Golden Artist Colors: Color Mixing Guide
Golden Artist Colors presents a guide to mixing acrylic paint. An explanation of color theory and mixing color with paint is included on this site. There are also color charts and exercises that can be done with paint that explore how...
Wikimedia
Wikipedia: Graph Theory
Wikipedia provides an introduction and overview of graph theory. In addition to introducing the basic terms, there are related links to classic problems in graph theory such as the traveling salesman problem and Dijkstra's algorithm.