CK-12 Foundation
Expression Evaluation with Basic Operations: Math Detective
Placement of parentheses is paramount. Scholars adjust the location of parentheses in a numerical expression so its value matches a given value. A slider interactive helps with this task.
Curated OER
Radiation Comparison Before and After 9-11
Using the NASA website, class members try to determine if changes could be detected in cloud cover, temperature, and/or radiation measurements due to the lack of contrails that resulted from the halt in air traffic after the attacks...
Curated OER
House and Holmes: A Guide to Deductive and Inductive Reasoning
Test your pupils' reasoning skills with several activities and a quick mystery to solve. Learners watch and analyze a few video clips that demonstrate reasoning in action, practice deduction with an interactive and collaborative...
Teach Engineering
What Does Light See?
The second installment of a seven-part series focuses on the refraction of light and how it affects the colors we see. Learners consider how this concept connects to biosensors for cancer detection.
Shodor Education Foundation
Recursion
Perform the operation ... and then do it again. Scholars investigate recursive formulas by creating and graphing them. Using the interactive, pupils set the variable, determine the initial value, and type in a recursive formula.The...
Discovery Education
Sonar & Echolocation
A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...
Teach Engineering
Don't Be a Square
If Parseltongue is a genetic trait, what is the probability a wizard will inherit the ability to speak Parseltongue? Scholars investigate magical and biological genetics with Punnett squares.
Teach Engineering
Electromagnetic Radiation
How can nanoparticles be used in the battle against skin cancer. Class members take on the question as they gather information about electromagnetic radiation, specifically ultraviolet radiation. Pupils learn about the mathematical...
Teach Engineering
Quantum Dots and the Harkess Method
The Fantastic Voyage is becoming close to reality. The class reads an article on the use of nanotechnology in the medical field and participate in a discussion about what they read. The discussion method helps class members become more...
Teach Engineering
The Keepers of the Gate Challenge
Help your class make a connection between salt water and nanoscience. In the introductory instructional activity of a seven-part unit, the class explores why salt water helps a sore throat feel better. Pupils conduct preliminary research...