Learners tackle a wide range of intimidating topics in this comprehensive unit that spans piecewise functions, absolute value of functions, and inverse functions (among other topics). Investigative group work alternates with more...

Not only do extracurricular activities look good on a college application, they can foster important life skills. From sports to volunteering to employment, extracurricular activities can inform your learners' experiences...

Is there more to evaporation than just less liquid? Show young scientists the energy transformation that occurs during a phase change through a series of simple experiments. Lab partners place drops of water, ethanol, and ethoxyethane on...

How well can your class concentrate on solutions? Scholars use colorimeter absorption to explore a starch concentration calibration curve. They add iodine to different starch solutions to see how the concentration of the solution changes.

The European Union has had a profound effect on world economic dynamics. A structured inquiry investigates its impacts on global interest rates. Other authentic testing materials from College Board explore banking reserve requirements...

Designed to inform high school freshmen about the ramifications of sharing personal information through social media, this lesson focuses on sexting. Investigators first check the validity of websites using a Website Evaluation Tool....

Here is a comprehensive and well-written lesson plan that results in learners building a standard wind turbine. Once built, teens can design a variety of experiments to test different factors. This activity is a noble undertaking that...

Youngsters compare the heat-holding abilities of three different cans by insulating two with different materials and measuring the temperature change of hot water over a 20-minute period. 

The scientific issue of carbon-14 dating and exponential decay gets a statistics-based treatment in this problem. The class starts with a basic investigation of carbon content, but then branches out to questions of accuracy and...

Middle schoolers learn how to protect themselves from risky behaviors with a instructional activity that has them role play several scenarios and demonstrate ways that they might do to stay safe. Class members then use what they have...

Discover the scale factor by finding the constant of proportionality. Pupils investigate drawings to determine whether the distances are proportional. The activity defines the scale factor as the constant of proportionality, or unit...

What can bulldozers and screen doors have in common? Use this lesson on fluid power to find out. It begins with some simple teacher demonstrations, includes a couple of videos, and culminates with an inquiry-based activity to investigate...

Stress the importance of the different types of pressure our mind and body experience in a lesson about how certain types of stress are actually necessary and good for our bodies. As astronauts and people with injuries can attest, not...

This is great go-to activity for those spring or fall days when the weather beckons your geometry class outside. Learners start with a small tree, devising strategies to accurately estimate the leaf count. They must then tackle the...

Packed with visual aids and multiple learning opportunities, an engaging exercise challenges individuals as they explore the role of producers, consumers, and decomposers. After discussing differences between food chains, food...

Are they similar? The lesson provides an explanation of the angle-angle criterion for triangle similarity. Several problems allow the class to determine whether the two triangles with the given angle measures are similar or not. 

Did you know that "in the largest refugee crisis since World War II, more the 64 million people have been forced from their homes"? The Anti-Defamation League presents an activity that asks class members to examine a series of artworks...

Do speed cameras help reduce accidents? Scholars investigate this question using a series of spreadsheet activities. Along the way, they learn about randomness, probability, and statistical analysis.

Attention! Attention! Scholars investigate the concept of attention-grabbers in advertising a product or a cause. They use the ninth installment of a 10-part County Solutions - High School series to analyze t-shirts, bumper stickers,...

Remember the Alamo! Scholars investigate the Battle of San Jacinto during the Texas Revolution. Using models, maps, quotes, biographies, and the Oath of Allegiance, the Alamo comes to life as the stories of those who fought and died in...

While some aspects of the Great Wall of China are known, other parts of its story are obscured by time. A research lesson asks scholars to consider what we know and don't understand about this wonder of the world. The class then compiles...

Take biologists on a journey into the heart of the Covid-19 virus with a series of stunning graphics and explanations about the global pandemic. Animations bring investigators up close to the virus, revealing its structure and movement...

A bright future learning about electricity awaits. Future scientists conduct two probes to investigate electrical energy. The first requires them to think about how electricity is made, while the second has them identify appliances that...

Middle and high schoolers consider the characteristics that make for a great leader. For example, they investigate Wilma Mankiller, the first female Principal Chief of the Cherokee Nation. Researchers read a short biography, watch a...