Serendip
Photosynthesis Investigation
Can scientists increase the rate of photosynthesis to help clean the air? Scholars complete an experiment determining net photosynthesis. Then, they apply knowledge from the activity to design their own investigations of the factors that...
Cornell University
Fibers, Dyes, and the Environment
Nanofibers can be made through electrospinning or force spinning in order to reduce the negative impact on the environment. Pupils study the role of fibers and dye on the environment through a series of five hands-on activities. Then,...
National Wildlife Federation
Stifling, Oppressive, Sweltering, Oh My!
Looking for a hot date? Pick any day in August, statistically the hottest month in the United States. The 15th lesson in the series of 21 instructs pupils to investigate the August 2007 heat wave through NASA data, daily temperature...
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...
NASA
Einstein and His Times
Scholars research and present on the historical happenings of 1919. After sharing their findings, pupils debate about how Congress dealt with the moral issues of the time. The evaluation asks learners to write a persuasive essay...
PBS
Climate Change as a Scientific Theory
Get your class thinking about climate change as a scientific theory. Guided by a handout, emerging earth scientists read articles and take notes about glaciers and sea ice. To conclude, they write an evaluation of the evidence for...
Koshland Science Museum
Infectious Disease: Evolving Challenges to Human Health High School Virtual Field Trip
Understanding the science of the spread of infectious diseases is the first step in controlling them. Learners begin by researching the factors that affect the contraction and spread of these diseases and the challenges communities face...
National Academy of Sciences
Lights at Night Webquest
Help learners find ways to become more efficient energy consumers. To start, individuals research how different countries address energy efficiency and then analyze their own carbon footprint. They use their research to identify ways to...
National Academy of Sciences
Infectious Diseases: Bird Flu Today
Understanding how viruses spread has never been more important. A well-designed WebQuest lesson has young scientists research viruses, how they spread, and how they are treated. They also consider the trends in common viruses in the world.
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...
Howard Hughes Medical Institute
Following the Trail of Evidence
One important skill in analyzing scientific evidence is identifying facts versus opinions. Scholars identify pieces of evidence from the film The Day the Mesozoic Died and then discuss this evidence in small groups at the end of each act...
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...