Howard Hughes Medical Institute
Lactase Persistence: Evidence for Selection
What's the link between lactase persistence and dairy farming? Biology scholars analyze data to find evidence of the connection, then relate this to human adaptation. Working individually and in small groups, learners view short video...
Howard Hughes Medical Institute
The Eukaryotic Cell Cycle and Cancer
How does cancer begin, and why can it get so out of control? Curious young cytologists use an interactive resource to study the cell cycle. After reviewing the background information, individuals go step-by-step through the process of...
Howard Hughes Medical Institute
Recent Adaptations in Humans
You've probably spent plenty of time discussing animal adaptations with your young biologists, but what about human adaptations? Explore the evolving traits of humankind through an interactive that combines text and video clips. Scholars...
ETFO
Free Verse Poetry Rubric
Follow poetry instruction with a four-category rubric designed to guide budding poets' writing of free verse poetry.
Howard Hughes Medical Institute
How Did Dinosaurs Regulate Their Body Temperature?
Are dinosaurs more like birds or reptiles? Learners put the question to the test by analyzing body temperature data from a 2014 study. With their analysis, they develop a theory about the body temperature regulation of dinosaurs.
Howard Hughes Medical Institute
Classroom Activities: Planaria Regeneration Activity
Observe a flatworm as it regenerates its own head. A laboratory exploration asks learners to cut a planaria worm at different locations and then observe it regenerate. Using data collected during the exploration, they make conclusions...
College Board
2017 AP® European History Free-Response Questions
How did the Renaissance change the politics and culture of Europe? What led to the rise of the welfare state? What did family life look like in Europe during the 1700s? Learners consider these historical questions using structured...
College Board
2015 AP® Psychology Free-Response Questions
To what extent is hyperactivity related to sugary treats at a birthday party, and to what extent is it caused by other factors? What goes into a person's adjustment to a new home? Case studies explore questions like these and offer...
College Board
2007 AP® Human Geography Free-Response Questions
Indigenous languages are making a comeback in some parts of the world. People now see land use patterns in our cities' marketplaces. Why do these things happen? Queries from the 2007 AP exam in Human Geography unpack these complicated...
College Board
2004 AP® Human Geography Free-Response Questions
Human geography involves everything from why people build factories along the United States-Mexico border to how land-use patterns and demographics are related. So, how do test-takers put it all together? Focused questions from an AP...
College Board
2012 AP® Human Geography Free-Response Questions
Why do countries create boundaries? Scholars explore similar ideas using prompts from the 2012 AP Human Geography test. Pupils also test their acumen with questions on agriculture and the growth of Islam.
Howard Hughes Medical Institute
Using Genetic Crosses to Analyze a Stickleback Trait
Two fish appear different, but how do scientists determine their genotypes? Scholars practice performing test crosses to determine the genotypes of fish given their phenotypes. They answer in-depth comprehension questions and complete...
College Board
2014 AP® Environmental Science Free-Response Questions
Less than half of AP Environmental Science test takers pass each year. The College Board releases previous test questions covering topics from greenhouse gases to ecological succession to help scholars prepare for future assessments. Use...
College Board
2002 AP® Human Geography Free-Response Questions
Nations and states may sound like similar ideas, but these concepts have led to endless wars and conflicts. Learners explore the terms using authentic College Board materials. An additional test item delves into the influence of...
College Board
2018 AP® United States History Free-Response Questions
Learners explore the the Age of Imperialism using primary sources and an authentic College Board documents-based question. Other prompts explore the economic changes brought about by the American Civil War, technology, mercantilism, and...
College Board
2003 AP® Macroeconomics Free-Response Questions Form B
Learners consider production possibilities using an authentic test question from College Board. Other questions include practicing supply and demand curves and examining the effects of inflation, employment, and other variables on a...
College Board
2006 AP® Psychology Free-Response Questions
A person wants to buy a car but is having a hard time making a decision. What is getting in the way? Learners turn to psychology to explain what is driving the ambivalence using materials from College Board. A second query asks scholars...
College Board
2000 AP® Macroeconomics Free-Response Questions
When a country faces a recession, the government has various options: decrease taxes to stimulate consumer spending or increase taxes to fund projects. Which works best? Young economists ponder this question, along with how an increase...
College Board
2016 AP® Microeconomics Free-Response Questions
How can a bakery—one of several in town—maximize its profits? A case study from College Board asks scholars to consider the question. Other practice queries examine the price and benefits of buying certain goods for one consumer and look...
College Board
2013 AP® Macroeconomics Free-Response Questions
While inflation is an expected part of the economy, how does it affect other factors, such as loan and interest rates? Learners consider questions such as these in authentic College Board materials. Other practice questions include...
College Board
2014 AP® Macroeconomics Free-Response Questions
What is the role of the Federal Reserve? Scholars consider how the bank works behind the scenes of the economy using authentic College Board materials. Other questions consider the impact of inflation on trade with a friendly partner and...
College Board
2011 AP® Macroeconomics Free-Response Questions
Foreign exchange rates have a ripple effect on economies worldwide. A case study asks scholars to examine what would happen to international investment and capital after tweaking variables that can ricochet around the world. A second...
College Board
2014 AP® Microeconomics Free-Response Questions
What effect do dynamics, monopolies, and the balance of skilled and unskilled labor have on a market place? How does supply affect the price of gasoline? Learners consider these questions and more using College Board materials as they...
College Board
2002 AP® Microeconomics Free-Response Questions
Inventors with patents have a distinct advantage in the market. But what happens when the patent expires? A series of questions from College Board asks learners to consider the effects of a patent expiration. Other practice prompts...