New ReviewPractice makes perfect! A released AP® exam gives scholars practice with the high level of expectations of their exams. The exam consists of four questions from 2000. Questions ask about endangered species, recycling, alternative fuels,...

New ReviewThere is a strong correlation between the carbon dioxide concentration in the air temperature. Scholars offer explanations for the correlation in one of four AP® free-response assessment questions. Their analyses in the other questions...

New ReviewReligion and politics have a complicated history. How were they intertwined with wealth in Europe and Asia in the Middle Ages? Learners explore the question using a prompt based on primary sources. Other activities allow individuals to...

New ReviewA college undergrad has a lackluster first year. Why? A structured prompt from the College Board asks learners to explore various psychological dynamics and how they can affect a young man's freshman experience. A second question asks...

New ReviewIndices and exponents mean the same. Pupils review exponential notation by watching the review video for the General Certificate of Secondary Education math assessment refresher. Scholars then use the activity to show what they know...

New ReviewHow are population and political power related? What is the significance of the globalization of English? Why do refugees leave their home countries? Using structured short-answer questions, scholars unravel complicated dynamics with...

Money talks ... especially in the media world! How do finances influence the media we see? Answer that, and many other questions using a video in a media literacy series. The narrator discusses how economic reasons influence media...

Teens of the world, unite! Take your class or club on a multicultural journey through the relationship between cultural values and teen leadership skills. Groups work together to learn about one another's cultures while examining the...

The Nazis used the power of propaganda to encourage confirmative views and the discrimination of Jews. A social studies resource illustrates these issues through discussion, image analysis, and a writing exercise.

Is peace simply the absence of war, or is there more to the story? Young social scientists define peace in the second installment of a 15-part series. Groups work together to explore cultural concepts of peace and the peacemaking process...

What's the difference between bullying and mean, hurtful behavior? Scholars work together to develop a clear definition of bullying using a video clip and guiding questions. The resource, part three of a 17-installment series, features a...

How many humans does it take to power a light bulb? The 10th part of a 25-lesson Energy Systems and Solutions unit has learners conduct an experiment to calculate power. They then use the results to determine how many classmates they...

Power up your lessons with an energetic resource. Scholars learn about work, force, energy, and power. They consider the relationships between these quantities through hockey puck scenarios and make calculations using formulas.

Young classes are sure to get a charge out of this lesson! Learners experiment with circuits of a solar cell. They practice determining current, voltage, and power for the circuit and maximize the voltage and current of the cell.

Who's the best for the job? A modeling lesson asks your class to analyze job applicants before deciding who to hire to best get the work done. Pupils work in groups to find the best combination of workers that will be able to meet the...

Find shortcuts to finding derivatives. The resource introduces the power rule for finding the derivatives of polynomial functions. The fourth video in a series of 31 starts by applying the rule to monomials and then shows how to combine...

Explore the basics of electric current with an introductory video lesson. The 28th installment in the Crash Course physics series discusses characteristics of electric current. An explanation of Ohm's Law helps scholars understand the...

What does work mean to you? Chances are it has a different meaning to a physicist! The ninth video in a physics series discusses the meaning of work, power, and energy. The narrator gives examples and formulas while explaining the...

Why is the size of jet engines increasing? An entertaining video lesson describes the efficiency of jet engines. The narrator describes the poor design of an engine that is too small or too big and explains why it is more efficient to...

The nth roots of unity all have a magnitude of one. Scholars use the unit circle and DeMoivre's Theorem to find the complex roots of one and discover that the complex numbers all lie on the unit circle and are equally spaced around it...

Engineer an autonomous underwater vehicle (AUV) to study concepts of physics. Using household materials, collaborative groups design and build an AUV and then test Newton's Laws of Motion as they apply them in underwater environments...

Powered up! Here's a great resource on exponents. Scholars build on their previous understanding of exponents to include all positive real number bases. Distinguishing between an and a^n is a major goal in the fifth lesson of a 36-part...

How does electricity travel through power lines? The simulation demonstrates the how changes in voltage and resistance are related to the distance between power polls and the thickness of the cable. Scholars control three variables in...

Scientists know wind is a renewable resource, but is it an efficient one? Scholars adjust the propeller diameter on a wind turbine, the wind speed, and the conversion efficiency within range to learn about the efficiency of these...