Is this the end of the world as we know it? Pupils prepare for a coronal mass ejection during a lesson from the K20 Center. The activity combines video and Internet research in a collaborative assignment that focuses on public safety...

Transform your instruction with an exploratory lesson! Young scholars manipulate absolute values and quadratic functions to look for transformation patterns. They use the patterns to write general rules of transformations.

How has human activity affected Earth's watersheds? An action-packed lesson plan, part of the K20 Center, examines water's ability to go with the flow regardless of what is in its path. Scholars build model watersheds, examine time-lapse...

What's your type? Genetically speaking, of course! Immerse your class in the world of karyotypes through an insightful activity from the K20 Center. Scholars take on the role of genetic counselors to determine the karyotype of offspring...

Why are we here? Well, if you happen to be a Golgi body, the answer is simple! Young biologists embark upon a journey through the tiny world of cellular organelles with an engaging activity from the K20 Center. The activities open with...

No matter how you shuffle the elements, their electron configurations keep them in the same order. How can that be? Introduce the concept of periodicity through a lesson that combines inquiry, discussion, and comparison. Partners...

Waste not, want not! Science scholars explore manure as an alternative energy source through reading and experimentation. Groups construct their own biofuel digesters and observe the process of methane production. The teacher's guide...

How attractive is your intermolecular forces lesson plan? Draw your class in with an activity that includes research, presentation, and demonstrations. Chemistry scholars work together to create claims about the each intermolecular...

How can a candidate get the most votes, yet still lose the race for the presidency? This is has happened more than once in American history, including in the elections of 2000 and 2016. Using an activity for creating group notes, young...

What does the government have to do with getting a driver's license? Including the calorie count for a meal on a restaurant menu? By discussing these kinds of questions and researching how concepts behind federal, state, and local...

Aliens have taken over the United States! Citizens can only keep two rights laid out in the first 10 amendments of the Constitution and must figure out which ones are best. Young scholars research the importance of each amendment and key...

Seems like a fairly simple question—until you begin asking your class! Get pupils acquainted with the characteristics of life through pairs classification, discussion, and scientific reading. The lesson plan, part of the K20 series, also...

Class members consider how people steal online identities as they discover the essential elements of identity theft and consumer fraud. Pupils demonstrate learning by creating a poster or video about how to avoid identity theft. 

The famous words of Martin Luther King still resonate with scholars today. An enlightening lesson helps pupils examine the "I Have a Dream" speech in more depth and learn what impact it had on the civil rights movement. Young historians...

Gaining voting rights was difficult over the course of decades, but the debate over who should actually be allowed to cast a ballot remains. Scholars explore the history of the struggle, including the fifteenth and nineteenth amendments,...

Using primary and secondary sources, such as letters and diaries from soldiers and civilians, learners consider why people fought in the American Civil War. A role-playing Historical Mingle activity, as well as discussion questions and...

Calculating average speeds is not as simple as finding an average. The lesson introduces class members to rational functions by presenting a problem about finding an average speed for the rest of a trip. Pupils develop an equation to...

Explore the process of inductive and deductive reasoning. A collaborative lesson has some groups apply an inductive approach and others a deductive approach. Through class discussion, scholars compare their processes and discuss...

But it's just a game! Learners play a game to learn basic concepts of statistical hypothesis testing. After using the digital-game module, pupils develop their own statistical hypotheses and test them.

Halving is not always so simple. Small groups build a cube and then determine how to construct a cube that is half the size. Groups create two cubes, one that is the correct size and another that would be an alternative solution. To...

How does inertia affect an object's trajectory? After watching a video on safety belt use, pupils discuss the notions of inertia. Using their knowledge, individuals try to drop a ball on a target while running, and classmates observe the...

Lead your class on a search for precious bones. Using a presentation, the class investigates the golden ratio in art and nature. Groups of pupils measure specific bones and find the average ratio for the class. To further cement the...

How many prime numbers are there between 1 and 100? By using a prime time resource, your scholars should be able to answer this question. Using arrays, they determine if numbers are prime or composite, and then write a prime...

Classify quadrilaterals quickly. After playing a game to identify quadrilaterals, your young scholars should come away with knowledge of the properties of quadrilaterals. They then apply this knowledge to create a decision tree to ease...