Nuffield Foundation
Effect of Size on Uptake by Diffusion
Cell size is limited by the surface area to volume ratio, but why is this true? Scholars measure the surface area and volume of cubes before placing them into liquid. After a set amount of time, they measure the uptake by diffusion for...
Howard Hughes Medical Institute
Alzheimer’s Disease: Piecing Together the Evidence
5.7 million Americans live with Alzheimer's disease. With limited funding for research, where should scientists focus? Young scientists learn about current research and create their own questions. They then decide the best areas to focus...
Centers for Disease Control and Prevention
Current Cigarette Smoking Among Adults Infographic
Adult cigarette smoking has decreased in recent years, but it is still the number one cause of preventable disease and death in America. An infographic breaks cigarette smoking down by education level, geographical region, gender, race,...
National Nanotechnology Infrastructure Network
The Effects of Colloidal Silver on Microbial Growth: Investigating Snake Oil Science
Can your classes solve the problem of the smelly sweat sock? Young scientists complete a lab investigation that begins by using electrochemistry to generate colloidal silver. They use their solutions to test the rate of microbial growth...
Heritage Foundation
Exercising Judicial Power
We should all do more exercising, but should the judicial branch as well? High schoolers develop their understanding of what powers the judicial branch carries because of the US Constitution, as well as where their limits lie in the...
University of North Carolina
Conciseness
Twitter has helped people learn to express their ideas in as few words as possible, but away from the 280-character limit, writers still struggle with keeping their writing short and to the point. Conciseness is the focus of a writing...
Concord Consortium
Calculator Numbers
Know thy calculator. Young mathematicians use their calculators to answer a set of questions. They consider how the number of digits the calculator displays affects the answers to calculations. They then find examples of computations...
Helena-West Helena School District
I Know Why the Caged Bird Sings Instructional Unit Plan
Maya Angelou's first autobiography, I Know Why the Caged Bird Sings, demonstrates both the author's exemplary writing and the themes of gender and racial injustice that perpetuate beyond the limits of the 20th century. Use a thorough...
Serendip
Molecular Biology Vocabulary Review Game
Getting bored with the typical review strategies? Why not turn it into a game! Learners practice their DNA vocabulary by trying to get their partner to guess the word they're describing. To complicate things a bit, there are words that...
Biology Junction
Plasma Membrane – Gateway to the Cell
Just as skin covers your body limiting what can go in and out, plasma membranes cover cells to do the same. Scholars begin with a presentation that gives overview of the structure and function of plasma membranes. Then, they learn how...
Serendip
Homeostasis and Negative Feedback – Concepts and Breathing Experiments
More asthma attacks happen at higher altitudes, but why? Scholars complete worksheets, learning about homeostasis and feedback related to breathing. Then, they work in small groups to experiment with breathing in limited amounts of...
College Board
1999 AP® Macroeconomics Free-Response Questions
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...
College Board
2009 AP® Statistics Free-Response Questions Form B
Is your class taking the AP® Statistics exam in the near future? You may want to take a look here. Using the 2009 AP® Statistics free-response questions Form B helps learners become familiar with the testing conditions, such as time...
College Board
Sampling Distributions
The validity of data depends on the strength of the sample. A collection of instruction and activities focuses on sampling distributions and the analysis of that data. Scholars learn about distribution tests such and Central Limit...
College Board
2003 AP® Psychology Free-Response Questions
Intelligence testing can be a useful tool—but what are its limits? Scholars explore the question, considering issues such as the role of bias, using authentic College Board materials. Learners also examine the psychological factors...
College Board
2001 AP® Human Geography Free-Response Questions
The green revolution has changed agricultural practices, but its success may be limited. Learners consider why as they use authentic College Board materials. Other prompts explore the rise of suburbs and the stages of economic development.
College Board
2001 AP® English Language and Composition Free-Response Questions
Do pictures really last longer? A prompt from the 2001 AP® English Language and Composition Free-Response Questions asks scholars to analyze the opinion that photography actually limits people when it comes to understanding the world....
College Board
2008 AP® English Language and Composition Free-Response Questions Form B
Ever feel like resources limit pupils with multiple-choice questions? Writers receive freedom of expression with three free response questions. Topics include text read in high school English, opinions on American education, and...
College Board
2018 AP® Microeconomics Free-Response Questions
How much should Nirali study for her history and economics exams if she has a limited amount of time for both? Scholars consider opportunity cost in using this real-world scenario from College Board. Other questions include looking at a...
Jamestown-Yorktown Foundation
How Did Relations between Britain and the Colonies Change after the French and Indian War?
What does the French and Indian War have to do with the American Revolution? Following the war, Britain issued the Proclamation of 1763 in an attempt to limit the colonists' western expansion. To understand how the proclamation, the...
Judicial Learning Center
Judicial Independence
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...
United Nations
The UN: Working for Us All
The United Nation's role in world diplomacy is critical, but its enforcement is limited. Using activities such as role plays and simulations, classmates consider the role the UN plays in world peace keeping. The unit plan includes five...
Rice University
Precalculus
Take a step beyond Algebra 2. Learners use the eBook to learn concepts from the typical Precalculus course. Content starts off with a short review of functions in general and moves on to the basic functions, finishing up with more...
New York State Education Department
US History and Government Examination: January 2011
The presidencies of John F. Kennedy, Richard Nixon, and Ronald Reagan were defined by the Cold War. Using primary source documents and scaffolded analysis questions, pupils explore the effect the Cold War had on these presidencies. A...
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