NOAA
I Can't Breathe!
The Gulf of Mexico dead zone, an area of low oxygen that kills marine life, costs the United States $82 million every year. Young scientists research anoxic ocean environments then come up with a hypothesis for the cause of the Gulf of...
NASA
Dark Matter NASA Conference
Young scholars calculate the escape velocity of planets in our solar system and use that knowledge to calculate the escape velocity for NGC 2300 group. They then suggest reasons for the escape velocity to be higher than possible given...
American Institute of Physics
African Americans and Life in a Secret City
Imagine the lure of being offered a job at a secret site, working on a secret project, and earning higher wages! Such was the approach used to recruit African Americans to Hanford, Washington, one of several sites used to develop...
American Institute of Physics
African American Inventors in History
A two-part lesson introduces young historians to the work of famous African American inventors. Groups first research and develop a presentation of an inventor that includes biographical information and information about one of their...
Howard Hughes Medical Institute
Pulse Chase Primer: The Meselson-Stahl Experiment
Experimental design can make or break an experiment. Young scholars analyze the pulse-chase analysis procedure by studying the Meselson-Stahl experiment. Using a video presentation, they discover how the pulse-chase analysis led to the...
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
2015 AP® Environmental Science Free-Response Questions
Less than eight percent of AP Environmental Science test takers earn the highest score possible. Help scholars improve their scores by using actual test questions on water quality and urban planning before reading sample responses that...
College Board
2016 AP® Environmental Science Free-Response Questions
The average student scores less than three points, out of five, on the AP Environmental Science test. Most do well on the multiple choice and struggle with the free-response section. Encourage extra free-response practice with actual...
College Board
2017 AP® Environmental Science Free-Response Questions
Almost half of test takers passed the AP Environmental Science exam in 2017. Use the free-response questions on the topics of pollution and ecosystems to improve writing skills in preparation for the AP exam. Discuss the scoring...
College Board
2014 AP® Chemistry Free-Response Questions
More than half of AP Chemistry test takers earn a high enough score to get college credit. Improve that statistic by using past test questions including precipitate, molarity, and chemical equations to prepare for a future exam. The...
College Board
2015 AP® Chemistry Free-Response Questions
More than 80,000 scholars earned college credit for Chemistry with the AP exam in 2015. The College Board released the free-response questions covering topics, including moles, that often confuse scholars. They also released example...
College Board
2016 AP® Chemistry Free-Response Questions
The College Board published the mean score on the 2016 AP Chemistry exam as a 2.69, but a minimum of a three is required to earn college credit. Help pupils study for the upcoming exam with actual test questions, sample answers, and...
College Board
2017 AP® Chemistry Free-Response Questions
More than 83,000 scholars earned college credit, thus saving time and money by passing the AP Chemistry exam in 2017. Use the exact test questions covering concepts from activation energy to solubility to prepare for the upcoming...
College Board
2018 AP® Chemistry Free-Response Questions
2018 saw some of the highest AP Chemistry scores in years. The College Board released each test question covering topics from enthalpy to net ionic equations, as well as scoring guidelines and more to benefit future scientists. Example...
College Board
2014 AP® Biology Free-Response Questions
The most popular AP science exam, Biology, also maintains the highest passing rate. The College Board releases old test questions covering trichomes and much more, along with statistics and scoring guidelines to help scholars study for...
College Board
2015 AP® Biology Free-Response Questions
Many future doctors earn college science credit by passing the AP biology test while still in high school. Help young scientists prepare for the exam by studying past test questions. Each of the eight questions covers multiple topics...
College Board
2016 AP® Biology Free-Response Questions
A remarkably high number of scholars passed the AP Biology exam in 2016 with over 61 percent earning college credit. The College Board released the entire free-response section for future scholars to study. After answering the eight...
College Board
2017 AP® Biology Free-Response Questions
With AP Biology remaining the most popular AP science exam, many teachers need help preparing. The College Board offers the actual free-response questions from the 2017 test covering pollination, germination, and more. Scholars learn the...
College Board
2018 AP® Biology Free-Response Questions
The average AP Biology score dropped in 2018 with the addition of more data tables and graphs. Offer additional practice free-response questions by using the questions from the 2018 AP exam covering phylogenetic trees, cell structure and...
College Board
2015 AP® Physics 1 Free-Response Questions
It's rare for even 40 percent of test takers to pass the AP Physics 1 exam. Improve those odds for young scientists with the help of actual free response questions covering topics from free body diagrams to velocity. The College Board...
College Board
2016 AP® Physics 1: Algebra-Based Free-Response Questions
Generally, scholars struggle on the free response portion of the AP Physics 1 exam more than the multiple-choice section. Scholars benefit from additional practice with the help of previous test questions, including questions on forces,...
College Board
2017 AP® Physics 1: Algebra-Based Free-Response Questions
Do you know how to help scholars study for the AP Physics test? Use the free response questions from the 2017 exam covering topics from circuits to waves to prepare pupils for future AP assessments. After answering the questions, read...
College Board
2018 AP® Physics 1: Algebra-Based Free-Response Questions
Whether determining orbitals of space craft or designing experiments with conductive dough, many young scientists discover physics is phun and attempt the AP exam to get college credit. Use the free response questions from the 2018...
Princeton University
A Teacher's Guide to the Universe
Astronomers only observe four percent of the universe as the rest hides in darkness. The size, shape, and movement of the universe are the focus for an long-term high school unit. Its 43 lessons include hands-on experiments, direct...