Number theory gets a workout in an activity that asks individuals to identify and color code the prime numbers and the composite numbers in the provided graphic.

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,...

Your pupils may believe that you and their parents are the oldest things in the universe, but surprise! There are elements of the universe that are even older. Elementary scientists create a class timeline to demonstrate the...

After an introductory activity to demonstrate the theory of a limit, additional activities approach a limit from graphical, numerical, and algebraic methods. The activity looks at the multiple ways of understanding and evaluating a...

The pocket mouse can be light brown like the sands of the desert, or dark brown like the volcanic lava flows that are interspersed throughout New Mexico's Valley of Fire. It seems that predators have weeded out light colored mice in this...

Show your class how engineers use graphs to understand large and complex systems. The resource provides the beginnings of graph theory by introducing the class to set theory, graphs, and degree distributions of a graph. 

Your high schoolers are probably versed in two languages: formal language, and informal conversation. Help them identify the correct language style for their audience and context with a thorough lesson plan and examples of different...

Challenge readers of John Steinbeck's The Grapes of Wrath to create a museum exhibit that uses artifacts to focus on one issue raised by the award winning story of the Great Depression, the Dust Bowl, and the Joads.

Studying levers couldn't be more exciting! Learners build their own catapults and test the results as they make adjustments to the fulcrum. They compete against other groups to create the most accurate apparatus.

Ready, aim, fire! Launch to a new level of understanding as scholars build and test their own catapults. Learners explore lever design and how adjusting the fulcrum changes the outcome. 

Because of the work of John Dalton, we are able to write formulas for compounds. The hands-on experiment has scholars prepare a compound from its elements. Using mass data, individuals write the empirical formula for the compound.

Young economists learn about the method of predicting changes in the exchange rate with Big Macs in an instructional video. After an understanding the index, learners write a post on a discussion board and respond to class members' posts...

There's a fine line between a numerator and a denominator! Learners find common denominators in order to add and subtract rational expressions. Examples include addition, subtraction, and complex fractions.

How confident are you? Explore the meaning of a confidence interval using class collected data. Learners analyze data and follow the steps to determine a 95 percent confidence interval. They then interpret the meaning of the confidence...

A lesson plan where the teacher presents the five traditional theories of art (formalism, instrumentalism, imitationalism expressionism and institutionalism.) Learners review Chicana/o and earlier protest art from an instrumental point...