K20 LEARN
Transpiring Trees: Plant Transpiration and the Water Cycle
Looking for a tree-rific addition to your water cycle unit? Teams of young foresters examine the role of transpiration in the water cycle through a week's worth of activities. Pupils analyze how trees take in and transport water during...
K20 LEARN
Microbes and Manure = Biofuel
Waste not, want not! Science scholars explore manure as an alternative energy source through reading and experimentation. Groups construct their own biofuel digesters and observe the process of methane production. The teacher's guide...
K20 LEARN
It's Alive! Or, Is It?
Seems like a fairly simple question—until you begin asking your class! Get pupils acquainted with the characteristics of life through pairs classification, discussion, and scientific reading. The lesson plan, part of the K20 series, also...
American Institute of Physics
Eunice Foote: Scientist and Suffragette
The greenhouse effect and climate change are hot topics in today's news. Young scientists may be surprised to learn that the concept is not a new one. In fact, Eunice Newton Foote, scientist, inventor, and suffragette, discovered the...
American Institute of Physics
Women and the Manhattan Project
The Manhattan Project was a massive undertaking involving multiple sites and thousands of scientists and technicians. To gain an understanding of the women who participated in the project, groups select an oral history of a woman...
American Institute of Physics
Dr. Gates and the Nature of the Universe
What do Russian nesting dolls have to do with physics? They make a great demonstration tool for explaining Dr. Sylvester James Gates, Jr.'s string theory to young scientists. A two-part lesson first introduces learners to Dr. Gates' life...
American Institute of Physics
African Americans and the Manhattan Project
A lesson plan about the Manhattan Project will explode young physicists' understanding of the racial attitudes in the United States during and after World war II. Groups select an African American scientist or technician that worked on...
Personal Genetics Education Project
Using Primary Sources to Examine the History of Eugenics
Eugenics philosophy takes survival of the fittest to a whole new level. With a research-focused lesson, young scientists examine the history of the eugenics movement and its impact on society. Pupils engage with a video clip, primary...
NASA
Earth’s Energy Budget
Take the time and energy learn about Earth's energy budget. An engaging unit of four lessons focuses on the components that make up Earth's energy budget. Future scientists come up with a formula for the energy budget, then use software...
NASA
Future Temperature Projections
No one knows what the future will bring, but it's likely to be warmer than before. Pupils first learn about the NASA GISS ModelE2, a global climate model, and about representative concentration pathways that estimate the global output of...
American Museum of Natural History
Field Trip Earth
Take a field trip around Earth by way of satellite images. Learners watch a video lesson that describes different images taken from orbiting satellites. They then test their visual skills in a 14-question online quiz.
Howard Hughes Medical Institute
Fact Patterns: A Film Guide
What does it take to create a scientific theory? Learners attempt to answer the question by studying the work of Charles Darwin and Alfred Russel Wallace. While watching a video, they track observations from each scientist and then look...
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...
Howard Hughes Medical Institute
How Do Fibers Form?
The proteins inside a cell determine the shape of the cell. While most red blood cells have a circular shape, those with sickle cell take the shape of a sickle. This change in shape causes multiple issues in the system. Scholars solve...
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...