Refine Your Results

Content Curators

Grades

Subjects

Resource Types

Standards

Now... gain access to over 2 Million curated educational videos and 500,000 educator reviews to free & open educational resources

Get a 10 Day Free Trial

208 reviewed resources

5:48
Lesson Planet

Cation Exchange

For Students 9th - 12th Standards
Understanding soil composition requires an understanding of chemical bonding. An informative video lesson shows learners how the atoms and molecules in the soil form ions that attract and repel other atoms and molecules. The narrator...
Lesson Planet

AP Biology Practice Exam 2013

For Students 11th - 12th Standards
What is the best way to prepare for an AP® exam? Learners become familiar with the AP® Biology exam by completing a full-length practice exam. The AP® test prep by the College Board contains multiple choice, grid-in, and free-response...
4:34
Lesson Planet

To Kill a Mockingbird Setting: A Portrait of a Southern Town in the 1930s

For Teachers 7th - 12th Standards
The characters of Harper Lee's To Kill a Mockingbird are formed and informed, in part, by the distinctive historical backdrop of Alabama during the Great Depression. Watch a video that details Lee's experience growing up in Monroeville,...
Lesson Planet

Pulse Chase Primer: The Meselson-Stahl Experiment

For Teachers 9th - 12th Standards
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...
Lesson Planet

Following the Trail of Evidence

For Students 9th - 12th Standards
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...
3:58
Lesson Planet

Why Are the Inner and Outer Planets Different?

For Students 9th - Higher Ed Standards
How did the planets form? An interesting video from the SciShow Space series identifies the differences between the inner and outer planets and how the history of the solar system's sun put everything in its place. Viewers also learn...
5:23
Lesson Planet

3 Unsolved Moon Mysteries

For Students 9th - Higher Ed Standards
What do people really know about the moon? Learn about three unsolved moon mysteries: the moon's past magnetic field, lunar sunrises, and what's really inside the moon's craters. An engaging video from the SciShow Space series connects...
3:48
Lesson Planet

Why We Send Animals to Space

For Students 9th - Higher Ed Standards
What were the first living things to travel to space? Long before humans went into orbit, scientists sent animals into space to see how space exploration would affect living things. Viewers of an interesting video learn about how animals...
Lesson Planet

2014 AP® Environmental Science Free-Response Questions

For Students 10th - 12th Standards
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...
Lesson Planet

2015 AP® Environmental Science Free-Response Questions

For Students 10th - 12th Standards
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...
Lesson Planet

2016 AP® Environmental Science Free-Response Questions

For Students 10th - 12th Standards
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...
Lesson Planet

2017 AP® Environmental Science Free-Response Questions

For Students 10th - 12th Standards
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...
Lesson Planet

2014 AP® Chemistry Free-Response Questions

For Students 10th - 12th Standards
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...
Lesson Planet

2015 AP® Chemistry Free-Response Questions

For Students 10th - 12th Standards
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...
Lesson Planet

2016 AP® Chemistry Free-Response Questions

For Students 10th - 12th Standards
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...
Lesson Planet

2017 AP® Chemistry Free-Response Questions

For Students 10th - 12th Standards
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...
Lesson Planet

2018 AP® Chemistry Free-Response Questions

For Students 10th - 12th Standards
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...
Lesson Planet

2014 AP® Biology Free-Response Questions

For Students 10th - 12th Standards
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...
Lesson Planet

2015 AP® Biology Free-Response Questions

For Students 10th - 12th Standards
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...
Lesson Planet

2016 AP® Biology Free-Response Questions

For Students 10th - 12th Standards
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...
Lesson Planet

2017 AP® Biology Free-Response Questions

For Students 10th - 12th Standards
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...
Lesson Planet

2018 AP® Biology Free-Response Questions

For Students 10th - 12th Standards
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...
Lesson Planet

2015 AP® Physics 2: Algebra-Based Free-Response Questions

For Students 11th - 12th Standards
As one of the few AP tests that count for second year college course credit, the AP Physics 2 exam requires a higher level of knowledge than most. Help young scientists study for their upcoming AP Physics 2 exams with previous...
Lesson Planet

2016 AP® Physics 2: Algebra-Based Free-Response Questions

For Students 11th - 12th Standards
While AP Physics 1 counts as an introductory college Physics course, AP Physics 2 counts as a second-year college Physics course. Help scholars prepare for this more advanced college-level test with questions from previous assessments...