Curated OER
Cross-Curricular Games
Students participate in exploring and examining several cross-curricular, hands-on games that encourage active learning and exercise at the same time. They assess games like Freeze Tag, Parts of Speech games and a healthy heart game, etc.
Beyond Benign
Crossing Hairs
Can you breed the perfect cat? Scholars study how to control genetic traits through breeding. The 15th lesson in a 18-part genetics unit considers the process of cross-breeding to develop a cat with a specific set of predetermined traits.
National Park Service
Maltese Cross Cabin
The Maltese Cross Cabin, a frontier residence of Theodore Roosevelt, is a time capsule that commemorates Roosevelt's time in the Dakota territory. An explanatory video and response guide takes students on a virtual tour of the wooden...
Howard Hughes Medical Institute
Using Genetic Crosses to Analyze a Stickleback Trait
Two fish appear different, but how do scientists determine their genotypes? Scholars practice performing test crosses to determine the genotypes of fish given their phenotypes. They answer in-depth comprehension questions and complete...
Teaching Tolerance
Using Photographs to Teach Social Justice | Supporting Social Border Crossings
A lunch-time activity encourages pupils to step out of their usual lunch bunch and connect with someone new. To begin, individuals examine a group photograph and identify what they believe is the gender, race, religion, and sexual...
Curated OER
Condensation Polymerization: Preparation of Two Types of Polyesters
College-level or AP chemists use phthalic anhydride to synthesize two different polyesters, one linear and one cross-linked in structure. A detailed materials list and well-written procedures are provided on a lab sheet. Learners write...
Curated OER
Genetics and the Work of Mendel
Excellent examples and clear diagrams in this PowerPoint will help you explain the genetics of alleles and the combinations of hybrid crosses. A high school class would appreciate having this student copy of the PowerPoint as the images...
EngageNY
Researching about the Red Cross, Continued: How Did the Red Cross Aid Haiti After the 2010 Earthquake?
What a puzzle! Scholars participate in a Jigsaw discussion within their expert groups, determining the gist of an article about the 2010 Haiti earthquake. As they read and discuss the article, they record thoughts on their note...
EngageNY
Researching about the Red Cross: What Is a Multinational Aid Organization?
Lend a helping hand. Pupils read two informational articles about international aid organizations and how they help areas affected by natural disasters. Scholars attempt to uncover the gist of each text, discussing their thoughts in...
EngageNY
Slicing a Rectangular Prism with a Plane
What do you get when you slice a prism? Pupils discover that the answer depends on how the prism is sliced. The second half of the 29-part module focuses on three-dimensional objects. Learners use their two-dimensional vocabulary and...
Curated OER
Challenge Sheet 7: Area and Cross-Sections
In this area worksheet, students set up integrals which evaluate the area of a region bounded by graphs. they use vertical and horizontal cross-sections. This two-page worksheet contains seven multi-step problems.
Curated OER
3D Computer Imaging Class: Cross-Section Lesson
Students use 3-dimensional materials to create a simple 3-D object. They think about different ways the object could be sliced. Students choose one way to slice the object, and draw the sliced shape on paper or computer. Using a 3-D...
Curated OER
Shades of Color - Cross Out Puzzle Six
English language learners follow the directions to cross out words as they place them into specific categories. For example, they list egg yolk and sunflower under "shades of yellow." Note: some of these are very difficult! Will your...
Curated OER
Lily's Crossing
Students listen to a story, "Lily's Crossing," about life during a World War. After completing worksheets, they compare and contrast characters in the story. Using math skills, students develop a time line of the war, calculate the...
Curated OER
Boating Safety and Water Sports - Lesson 3 - First Aid
What are the basic first aid supplies that should be on a boat? What should be done when someone stops breathing and/or their heart stops beating? Lesson three is only one of twenty-two lessons on boat safety. This lesson is about first...
Curated OER
Tree Cookies!
"Tree Cookies!" is a delicious little presentation designed to introduce upper elementary or middle school botanists to the anatomy of a tree trunk. The cambium, phloem, xylem, and other vital structures are identified and defined. Two...
Global Oneness Project
Flamenco: A Cross-Cultural Art Form
Notes of pride and persecution, exclusion and isolation resonate in flamenco. Introduce this musical art form to your social studies or Spanish language classes with a resource that follows a young flamenco guitarist as he...
National History Day
Heroes Who Made a Difference: Memorializing a Distinguished Service Cross Award Recipient
Ever wonder how to memorialize World War I heroes in the classroom? Activities in a high-quality social studies resource prompt middle schoolers to research Internet sources, complete a graphic organizer, and write an editorial feature...
The New York Times
Crossing the Line Online: Sexual Harassment and Violence in the Age of Social Media - NYTimes.com
Sexual harassment and sexual violence are by no means new issues. What has changed is the role of social media in these issues. This powerful and troubling lesson uses a specific rape case to launch research into a discussion of the...
Walt Disney Company
Disaster Preparedness Activity Book
Join the American Red Cross as well as Mickey and friends as they help to prepare young scholars for natural disasters. After reading brief informational passages about earthquakes, floods, fires, storms, tornadoes, and hurricanes,...
Curated OER
Strategies for Successful Grade Level Cross-Content Collaboration
Strategies, ideas, and suggestions to create an effective teacher collaboration, which will enrich student learning.
Curated OER
A Star to Steer Her By
Students determine their latitude using a protracdtor and/or cross-staff to find the altitude of Polaris.
Environmental Protection Agency (EPA)
The Case of the Mysterious Renters
Upper-elementary kids examine the water usage in their own home, then use that data to solve a case in which a landlady is trying to determine how many people are living in an apartment being rented. Combine math, scientific method, and...
Curated OER
Science Lesson for Grade 12
Twelfth graders perform dihybrid crosses and calculate phenotype and genotype ratios. In this series of science lessons, 12th graders explain the process of anodizing aluminum. They research on the benefits and harm caused by resonance...
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