Curated OER
Reflecting a Rectangle Over a Diagonal
Use the handout as guided or independent practice in drawing a reflection of a rectangle over a line. Three rectangles are provided for practice in addition to a critical thinking question.
Curated OER
Congruent Rectangles
Very simply, geometers examine a pair of rectangles on graph paper and find a translation and rotation to demonstrate their congruence. A couple of questions follow to stimulate critical thinking about other possibilities.
Discovery Education
Submarines and Aircraft Carriers: The Science of Nuclear Power
As physics masters view this presentation, they learn how nuclear power is used in submarines. They use Google Maps to plot a course through the ocean and calculate the time required for surfacing and traveling. They learn about fission,...
Greater Clark County Schools
Observations and Inferences
A cartoon from the far side of Gary Larsen's wacky world provides an opportunity for critical thinkers to practice their skills distinguishing between observations and inferences. What fun.
Clark County School District
Owl Moon by Jane Yolen
A thorough lesson plan takes your first grade class through Jane Yolen's beautiful Owl Moon. It crafts the unit with clear objectives, high-level guiding questions, cloze activities and sentence frames, and extension activities at the...
K12 Reader
Punctuation Theater
Break out the slide whistles, triangles, and tambourines. It's time for a punctuation lesson. This richly detailed plan is loaded with ideas and activities for using rhythm instruments to accent the punctuation in folk tales. A great way...
US Department of Education
A Close Reading of Lincoln’s Gettysburg Address
Abraham Lincoln's Gettysburg Address provides the text for a series of close reading exercises that model for instructors how carefully crafted guiding questions can help readers think critically about what they read, thus developing...
K-State Research and Extensions
The Crusty Earth
Geology rocks — literally! A geology chapter offers eleven activities at four different levels. Scholars enjoy completing hands-on experiments before applying critical thinking skills following a share, process, generalize, apply, and...
Louisiana Department of Education
Unit: Hamlet
Encourage readers to determine if Hamlet's madness is actually divinest sense. Class members analyze the words of the play before studying related texts, including T.S. Eliot's "The Love Song of J. Alfred Prufrock," scenes from...
Advocates for Human Rights
Nativism and Myths about Immigrants
Where do anti-immigrants myths come from, and how can they be refuted? Learners critically analyze media reports and how to identify reliable sources. After studying a timeline that details the history of US nativism, groups research the...
Global Oneness Project
Freedom to Change
Here's something unusual and thoughtful: have your scholars do some pensive reflection themselves before tackling how such meditative techniques are used in prison rehabilitation programs. They watch the "Path of Freedom" video found...
Roy Rosenzweig Center for History and New Media
Immigrant Discrimination
For a class learning about Chinese and Irish immigration in America, here's a great starting lesson plan. It has your critical thinkers examining song lyrics, the Chinese Exclusion Act of 1882, and a political cartoon, and finally...
National History Day
“War Is Hell. We Know it Now.” American Soldiers in the Meuse-Argonne Offensive
Understanding the soldier's experiences during World War I sometimes takes a newscast. Learners see the importance of understanding multiple points of view with a newscast project surrounding the Meuse-Argonne Offensive. Compare and...
Los Angeles Unified School District
Capitalism and Socialism
Capitalism, socialism, communism ... these may seem like a whole bunch of isms to your scholars. High schoolers won't confuse them after completing an informative resource. Your class masters how to use primary sources to critically...
Carolina K-12
Doing Democracy
How do you explain democracy to a middle school classroom? A social studies resource breaks elections and the democratic process down for your class. Discussion questions, worksheets, activities that build critical thinking skills, and a...
Physics Classroom
Total Internal Reflection
Scholars work through three different activities applying their knowledge of total internal reflection (TIR). First, they simply identify which diagrams create TIR and which don't. Next, they match different types of boundary behaviors...
Smithsonian Institution
Cuban Missile Crisis
The United States—specifically John F. Kennedy—played a large role during the Cuban Missile Crisis. A history resource poses questions that encourage critical thinking as well as in-depth analysis of images from the time period.
Cornell University
Polymers: Instant Snow
Is it easy to make snow? Scholars use critical thinking skills as they investigate the concept of polymers by making snow. The class tests several different variables and takes measurements over the course of several days. They then...
GLSEN, Inc.
Ready, Set, Respect!
Instill the importance of respect in your classroom with a comprehensive unit that focuses on positive behavior in and outside of school. Three parts, each separated into four grade-specific lessons, cover bullying, bias, name-calling,...
Encyclopedia Britannica
Becoming US President
It's that time of year, and the year. Once again the race is on for the White House. It's important that young voters, and would-be voters, understand the process for becoming the United States President. Class members research the...
Penguin Books
A Teacher's Guide to Lord of the Flies by William Golding
Many critics consider William Golding's Lord of the Flies as one of the best English language novels of the 20th century! It is also one of the 100 most challenged books taught in schools! Instructors willing to accept the challenge of...
Curated OER
The Black Death and HIV/AIDS: Which is the Worse Plague?
Exploring the similarities and differences between the Black Death and HIV/AIDS, students write persuasive essays answering which is the "worse plague." This cross-curricular activity between Language Arts and Social Studies addresses...
Beverly Hills High School
Memoirs of a Legend
To conclude a study of the French Revolution, young historians adopt the voice of critics of Napoleon Bonaparte and lay charges against him. They then craft a memoir in Napoleon's voice that details his motives and what he sees as his...
Southern Poverty Law Center
Analyzing Gender Stereotypes in Media
Why might toy advertisers use gender stereotypes to sell their products? Young people think critically about media messages and its role in gender stereotyping with a thought-provoking instructional activity.
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