Put on your best smile, or a least a better one, for this lesson on superlatives and comparatives. English language learners first fill out a graphic organizer by finding other people in the class who are taller than they are, shorter...

USDA National Nutrient data is available at your fingertips! This application is a vast library of more than 8,000 nutritional labels for commonly eaten foods. Search and sort foods by a variety of categories.

Spanish learners can start with uno, dos, y tres and move all the way up into the millions and trillions on their way to learning all the numbers. The webpage includes information on cardinal numbers, ordinal numbers, fractions, and...

Wave goodbye to the same old demonstrations for alternative energy sources, and wave hello to this one investigating ocean waves! Using a water bottle to create an oscillating water column, learners see and possibly hear how the...

Did you know that some languages have no word for art? The English language does and the narrator of this short video discusses the aesthetic dimension of religious art as it "visually communicates meaning beyond language." 

Delve into the concept of economic growth with your class members, including why economic growth is important, what causes it, and how can countries encourage it.

Judge Learned Hand's "Spirit of Liberty" speech delivered during the July, 1944 "I Am an American Day" celebration is the subject of a close reading activity that models for learners how to approach a dense, difficult text.

The California missions were built with the hope of converting the local Native Americans to Catholicism, but exactly how different were their beliefs to begin with? Through analysis of a series of primary source documents,...

How did Union General Ulysses S. Grant view the surrender of Confederate General Robert E. Lee in 1865, which effectively ended the United States Civil War? After reading an excerpt from Grant's autobiography, your young historians will...

An informative list compiled with quotes, authors, and discussion questions, along with 20 out-of-the-box application ideas, make up the collection of lessons geared to spark dialogue and creative thinking about quotations. 

Just how big would it really be? Young mathematicians determine if different toys are proportional and if their scale is accurate. They solve problems relating scale along with volume and surface area using manipulatives. The...

Your parents were both in different countries. You were born in the US. Documents and application forms ask you to identify your racial or ethnic classification. Which box do you check? Class members collect documents...

After finishing The Red Badge of Courage, readers complete a grammar worksheet  to identify the chain of events in the plot, the enduring issues, and major themes of Stephen Crane's novel.

Introduce your class to the layers of abstraction of the Internet with a lesson on the HTTP protocol. Pupils review previous lessons on levels of the Internet, then investigate new high levels by examining the HTTP traffic on...

A bite of bits. The first lesson in a unit of 15 introduces the class to the byte. Pupils learn about other standard units for measuring file sizes, develop an understanding of relative sizes and the kind of units used to measure...

The title says it all: Could King Kong exist? Investigate how increasing the dimensions of an object affects its surface area and volume to mathematically conclude whether a creature with the weight and height of King Kong could actually...

Drawing circles isn't the only thing compasses are good for. In this first installment of a 36-part series, high schoolers learn how to draw equilateral triangles by investigating real-world situations, such as finding the location of a...

Triangles, triangles, and more triangles! In this second installment of a 36-part series, your young mathematicians explore two increasingly challenging constructions, requiring them to develop a way to construct three triangles that...

Groups sort through NASA data provided in a graphic to create a graph using uniform units and intervals. Individuals then make connections to the increasing, decreasing, and constant intervals of the graph and relate these...

How does a computer recognize voice commands? Scholars learn about digital assistants and natural language processing (NLP) algorithms in the ninth lesson of the series. They begin building a simple digital assistant and work on this...

Do words change or add meaning or interest to a work of art? The final lesson in a four-part series on the beautiful brain as a work of art focuses on art analysis. Scholars write a story about exploring art from the inside. Reflections...

Explore the measures of central tendency through a challenging task. Given values for the mean, median, mode, and range, collaborative groups create a set of data that would produce those values. They then critique other answers and...

Explore the effect of outliers through an analysis of mean, median, and standard deviation. Your classes examine and compare these measures for two groups. They must make sense of a group that has a higher mean but lower median compared...

Discover relationships between linear and nonlinear functions. Initially, a set of data seems linear, but upon further exploration, pupils realize the data can model an infinite number of functions. Scholars use multiple representations...