Substances that decompose with the help of living organisms do so at different rates. Scholars experiment with Winogradsky columns to determine the rate of decomposition, the oxygen and sulfide content changes, and bacteria levels. The...

Should we be afraid of a large asteroid impact on Earth today? Young scientists estimate the size and composition of an asteroid similar to the one that caused the K-T mass extinction. They apply algebraic formulas to answer questions...

How can people do their part to help protect the environment? Learners participate in an engaging jigsaw activity to discuss the causes and effects of pollution. Next, pupils develop their own innovative ideas to address an environmental...

Cycles exist throughout nature, and the cell cycle compares to a life cycle of any other living being. A worksheet and presentation discuss the concepts of cell reproduction through the cell cycle. They cover each phase individually and...

Learn to analyze vector addition on graph paper through multiple levels of practice problems. Pupils begin with two component addition and move through three and four components to prove mastery as one part of a series on vectors and...

What is the connection between greed and mercantilism? Historians consider this question by analyzing a fairy-tale like story about King Midas from the nineteenth century. The background information and excerpt help pupils understand the...

Baseball great Jackie Robinson fought for social justice. His efforts to push for equal access are detailed in an episode from from the Ken Burns: The Jackie Robinson Collection. After viewing the clip, class members engage in a...

Put on your pirate hat and get ready to teach r-controlled syllables. Learners practice using words that contain ar, or, er, ir, and ur. Instructors model how to decode words to isolate vowel teams, as well as combine r-controlled sounds...

Individually, letters have their own sounds, but when combined with other letters, those sounds completely change. Introduce letter combinations with a lesson that asks learners to search for combinations in familiar words and use oral...

How are traits passed down from parents? Jean Baptiste Lamarck and Charles Darwin envisioned conflicting theories. Learn about both scientists and their theories with an insightful presentation. Giraffes and dogs serve as examples of...

Use a right method to find a distance. Given a right triangle, class members find the length of one side given the measurement of the other two sides—the missing side may or may not be the hypotenuse. A video reminds the pupils how to...

The novels of John Green cover the gamut of teenager emotions. A guide to his works provides classroom lesson plans for the novels Looking for Alaska, An Abundance of Katherines, The Fault in Our Stars, and Paper Towns. Each lesson...

What did Earth look like 4.5 billion years ago, and what was the climate like then? Scholars explore a view of Earth throughout history. They observe continents moving, temperatures fluctuating, and huge changes in ecosystems. A activity...

How has the American Bill of Rights influenced the rest of the world? An interactive web activity helps individuals see the similarities between countries' bills of rights. A text-to-text tool compares the American Bill of Rights to...

Gross domestic product can be a telling indicator about the health of a country, but it has limitations. Learners examine common indicators using structured prompts and problem sets from the College Board. Other practice problems include...

Sometimes solving one problem leads to another. Scholars respond to questions about fracking to harvest natural gas and other environmental related topics. The resource provides items released from the 2012 AP® Environmental Science exam...

Home is where the heart is. The 2010 AP® English Literature and Composition Free-Response Questions Form B require scholars to think about what home really is. They look at how a character leaves home, yet home remains within the...

It's all in the technique. Authors use many techniques to express themselves using writing. Two of the three essay questions require scholars to analyze the literary devices used by the authors and write essays about how these...

How were the development of railroads critical to the rise of empires? Scholars delve into the relationship between the two using a documents-based question from College Board. Other prompts explore ideas such as nomadic and sedentary...

Looking for guides to help make teaching writing easier? Then this book is worth reading! Writing That Works is a complete guide for teaching technical writing. The guide begins with the what and why of technical writing and ends...

You took the words right out of my mouth! One question in 2003 AP® English Language and Composition Free-Response Questions Form B allows scholars to develop opinions on pupils receiving zeros for plagiarism. Other essays analyze ideas...

Shall we agree to disagree? Scholars have the opportunity to choose a topic they feel is controversial in the world and express ideas about it. They complete essays that address the opposite views. In two other essays, they analyze a...

Almost every American is familiar with the Supreme Court case of Brown vs. Board of Education. Far fewer understand the constitutional reasoning or the wide-ranging consequences of the ruling in the field of criminology. The interesting...

Time to work together in class to understand the separation of powers as well as the qualifications for office! The resource includes terms to review for pre-knowledge before beginning instruction. Following the review, pupils work on a...