If any of the limiting factors in an environment change, both animal and plant populations also change. The video explains two different models of growth and the impact of limiting factors. It highlights the carrying capacity of an...

Be as romantic as a poetic. Appear as clever as Einstein. Wow others with your powers of observation by using similes to point out the similar aspects in two different things. This short video focuses on similes found in Shakespeare and...

Supreme Court justices debate the meaning of the US Constitution, but we expect teachers to explain it to scholars with far less training and experience. A daunting task for sure, but it's not insurmountable with resources that simplify...

How does this sound? It's a rockin' video starring two teenage girls talking about music, hearing, and the ear. Listeners hear that the ear does not only gather sound waves, but also helps us maintain balance. They also will get an...

Popular culture often portrays the Feds as the most fearsome of law enforcement agencies. Yet, someone charged with a crime is considerably more likely to end up in a state court. The lesson, one of six covering the Organization of the...

Most people support the idea of an independent judiciary in theory until they hear about a court case that violates their principles. An informative resource explains why the concept is important. It also provides scholars of criminology...

This textbook takes the learner from the basic definition of slope through derivatives, integrals, and vector multivariable calculus. Each section is composed primarily of examples, with theoretical introductions and explanations in...

Most Americans profess their love for the US Constitution, but this was not always the case. An informative lesson overviews the debate between the Federalists and Anti-Federalists by summarizing the main arguments of each side. It...

Second graders produce a budget for a party.  In this money management activity, 2nd graders create a budget for an imaginary party they will have based on a $20.00 limit.  Students observe a video clip in class discussing...

In 2016, one in every four fatal car crashes listed speeding as a contributing factor. Pupils view videos of a car trying to come to a quick stop from four different rates of speed. They use context clues to measure and determine the...

We hear a lot about the importance of the rule of law, but most people do not really know what those words mean. The lesson is a webpage that defines the rule of law, explains why it is important in a democratic society and provides...

Propanol is a common alcohol used in hand sanitizers. The many forms and uses of alcohols fill an intriguing lesson. Scholars apply logic to match alcohols, chemical structural formulas, oxidation products, and more in a series of puzzles.

Clichés, paradoxes, and equivocations are detailed in a short, animated video that defines and illustrates these writing traps. The resource also includes a quiz and the transcript for the video. Users can register to access free course...

My name is Bond, Hydrogen Bond. Written for distance scholars working on chemistry at the high school level, the lesson includes eight weeks worth of material divided into six parts: substances you use, mixing it up, your skin, what's...

Bycatch is a sad reality for many sea turtles, dolphins, and sharks; it occurs when they get unintentionally caught in commercial fishing nets. The class plays a game using popcorn and crackers, each child will attempt to catch the...

Your young boaters will enjoy writing and solving inequalities, and representing the solution graphically in this task set in the context of renting a boat.

Students fill out a worksheet after researching green buildings by taking a virtual tour. In this green buildings lesson plan, students use Google Earth to research green buildings.

Understanding the importance of sustainable fishing practices is fostered through a classroom game. In small groups, the class plays a fishing game where they can see first-hand, the effects of thoughtless fishing practices. After the...