Theory or Law? You decide. And so will your class members, in an insightful interactive. Young scientists divide common scientific principles or statements between the two groups, then dig deeper in understanding the functions of...

The universe is full of a mystic matter people cannot see. Pupils respond to 10 questions about the stuff in the universe. Most of the questions involve the big bang theory and dark matter. Learners find out how astronomers have found...

Take a look at another alternating sequence. The resource provides a graphical display of a sequence that alternates between two values. Pupils use the display to determine whether the sequence has a limit. Given a theory of limit,...

This is one super model interactive! Middle and high school science scholars examine scientific models through a simple resource. Guided, hands-on practice allows them to classify conceptual, mathematical, and physical models. Other...

When DNA research first began, it required almost an entire day to extract the molecules from a cell nucleus. Now it requires less than an hour. Scholars learn about the early theories of DNA with an online interactive, videos,...

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...

Some genes link to others that have implications for inheritance. A set of resources lead pupils through the history of this discovery. They explain how chromosomes recombine and which parts are more susceptible to this linkage....

Meta-cognition can transform learning. If your syllabus includes linguistics to enhance learners' comprehension and expression in English, here is an interactive online quiz to assess what they have learned. Titled "Basic Linguistics,"...

How do scientists discover treatments for cancer? A presentation and accompanying worksheet explain how one cancer spreads and a theory of how to stop it. It details the trials and relapses after using the medication. Scholars learn...

In this static electricity worksheet, students complete nine questions about electron charges, coulombs, potential energy, voltage and the Van de Graaf generator.

In this scientific theory instructional activity, the student is asked 46 questions about equivalent circuits designed with differently constructed power sources.  The answers are available if the student is working online.

In this literature worksheet, students respond to 12 short answer and essay questions about Dostoevsky's Crime and Punishment. Students may also link to an online interactive quiz on the novel at the bottom of the page.

In this online interactive philosophy worksheet, students respond to 10 short answer and essay questions about Protagoras by Plato. Students may check some of their answers on the interactive worksheet. 

In this online interactive literature worksheet, students respond to 10 short answer and essay questions about Machiavelli's The Prince. Students may check some of their answers online.