Curated OER
Integrating Physics-Atomic Fingerprints
In this atomic fingerprint learning exercise, learners read about the Bohr model and electrons changing energy levels and emitting energy. They answer questions about the atomic spectrum and the fingerprints for specific atoms.
Curated OER
Circuits-Class C BJT Amplifiers
In this class C amplifiers activity, learners compare different classes of amplifiers, they explain each class and they write an equation that predicts the amplifier frequency of a class c amplifier given a schematic...
Curated OER
Complex Analysis: The Complex Derivative
In this complex derivative worksheet, students determine the circle of a radius under the mapping principle.  They identify analytic functions, and explore the relationship between real and imaginary parts of complex functions.  This...
Noyce Foundation
Time to Get Clean
It's assessment time! Determine your young mathematicians' understanding of elapsed time with this brief, five-question quiz.
Curated OER
Bend It! Stretch It! Squash It!
Some items keep their shape no matter what happens! Have your kindergarten class choose which items would stay the same if they were bent, stretched, or squashed. The last activity prompts kids to see what happens when they stretch a...
Curated OER
Connect the Animal to its Food
What kind of food does a monkey eat? If you know, then you'll be able to complete this learning exercise. To practice drawing a straight line, learners draw to connect the animal to its food. A total of five lines will be drawn from...
Curated OER
Chemistry 301
In this chemistry 301 worksheet, students answer questions as it relates to the electron configuration of given elements. Students use the periodic table to assist in their interpretation of the questions provided.
Curated OER
Summer 1999, MA 123: Cumulative Review
In this math worksheet, students work to complete the review for a final part of an Algebra II class. The sheet has review problems.
Varsity Tutors 
Varsity Tutors: Hotmath: Practice Problems: Limits
Hotmath provides 25 practice problems that deal with limits and graphs of limits. Each of the practice problems include a step-by-step guide.