Was the Civil War fought only due to slavery? Using an interactive web tool, scholars investigate the four main causes of the Civil War. Gathering evidence and data to support their claims, they present a final statistical breakdown...

How does a nation turn into a global superpower? The 16th installment of the 22-part series on American history investigates the rise of the United States to global importance in the late nineteenth and early twentieth centuries. Groups...

Someone finds a time capsule 100 years from now, and it includes your family photo album. What would the photos tell that person about you and your place in history? Scholars investigate how artifacts tell stories. Using photos, maps,...

Just how long was the Long Drive? Learners investigate the movement of cattle in the Great Plains during the mid-1800s. They incorporate photographic, newspaper, video, and primary source evidence into their posters, artwork, and written...

What was life like in America before Christopher Columbus discovered the New World? Scholars investigate life in the Americas through the eyes of Native Americans in the first lesson of a 22-part series covering America's history. Using...

Strive for gold with an informative resource. A short task challenges learners to investigate the thickness of a box made from a given volume of gold. The box must have specific dimensions, so setting up and solving a literal equation is...

Can the president of the United States defy the rulings of the Supreme Court? Students investigate the case of Worcester v. Georgia and the impact it had on society and, most importantly, Native Americans. Using a short video clip as...

Where did separate but equal originate and what does it mean? Scholars investigate the Supreme Court Case Plessy v. Ferguson. Using a short video clip, they analyze the impact the decision of legal segregation had on society in 1896....

Which is more likely: 130 children followed a magical piper out of Hamelin and disappeared forever, or that they died of the plague? Or could they have escaped from Hamelin via a secret tunnel to Transylvania? Learners investigate...

Create a personal tree. By visiting an exhibit at the National Museum of Mathematics, the resource introduces the idea of fractals. The exhibit takes an image of the person and creates a tree by repeating scaled images on the shoulders...

Psychologists use statistics? Scholars investigate the research behind the methodology of statistical analysis. Using hands-on practice, case-studies, and scatterplots, they complete various tasks to understand the very roots of high...

Understanding the life cycle of a mosquito helps us understand how to prevent the spread of diseases they carry. A lab investigation provides learners with the opportunity to track the two-week life cycle of the mosquito. Scholars make...

What did you have for dinner last night? Many scholars ask that question without considering the history behind the foods they eat. Using a simulation, scholars investigate how the foods they eat are the product of the Columbian...

Nineteen states legally permit school officials to physically punish children. Scholars learn more about the topic as they use the website to prepare for a class debate or discussion. Pupils read background information and discover the...

The British and Spanish both had footholds in the New World, yet they had different approaches. Scholars explore the dynamics, along with the reasons behind immigration to the United States and business practices of the Gilded Age in a...

A school district is trying to get its learners to read more, but what is the best way to motivate them? A scenario investigates whether the district should use pizza coupons to encourage literacy. Other practice questions from College...

Water is the focus of an interdisciplinary unit that brings awareness to its daily use around the world and the importance of conservation. Worksheets challenge scholars to match words and definitions, trace, complete a maze, and solve a...

While canals are not the way to travel today, in the first half of the nineteenth century, they were sometimes the best way to move goods and people. Scholars examine primary sources, including maps and pictures, to investigate the role...

The cycle of energy is important to many different systems on Earth. Scholars use questioning and observation to investigate the differences between renewable and non-renewable resources and how they relate to global changes. They...

All that matters is the tiles. Pupils use the interactive to investigate the relationship between area and perimeter using tiles. The interactive has an explore and a game mode to accommodate different steps in learning. The game mode...

Bounce off some ideas to reduce the amount of wasted space. Teams work together to determine the best size and shape of container to package a large order of ping pong balls. Groups are to design the container to reduce the amount of...

Make the connection between money and exponential equations. Pupils continue financial lessons as they learn about compound interest in savings accounts. They extend the investigation of savings by looking at annuities, and then...

You're cleared to learn about absolute value functions. An interesting lesson has scholars investigate transformations of the graphs of absolute value functions. They look at air traffic control as an application of the concept.

Just how fast does bacteria grow? Over the course of three lessons, pupils investigate exponential growth with the use of bacteria growth. During the lesson, bacteria from a cell phone is grown to make a connection to real life. Using...