Curated OER
Tennis Balls in a Can
Make your classroom interesting by teaching or assessing through tasks. Deepen the understanding of Geometry and motivate young mathematicians. The task uses investigation with tennis balls and their container to prompt learners to use...
World Mysteries
Pascal’s Triangle and Sierpinski Triangle
Your learners will enjoy this one-page, color-coded poster containing Pascal's triangle and its connection to Sierpinski's triangle. By coloring odd numbers orange and even numbers green on Pascal's triangle a pattern evolves,...
Curated OER
Radical Equations
This task gives geometry learners practice in solving radical equations in one variable and zeros in extraneous solutions.
National Endowment for the Humanities
Soviet Espionage in America
The war against Communism and Joseph McCarthy’s place in it are the focus of a series of three lessons examining postwar America from 1945-1950. This first lesson asks groups to read an introduction that describes the Verona Project and...
iCivics
Limiting Government
While this instructional activity includes several nice worksheets to identify and discuss the various limits on government (i.e. a constitution, the rule of law, separation of powers, consent of the governed, etc.), its main value lies...
US Environmental Protection Agency
Tree Rings: Living Records of Climate
Open with a discussion on weather and climate and then explain how tree rings can provide scientists with information about the earth's past climate. Pupils analyze graphics of simulated tree rings from various US locations for the...
US Environmental Protection Agency
Mapping Greenhouse Gas Emissions Where You Live
After investigating the US Environmental Protection Agency's climate change website, your environmental studies students discuss greenhouse gas emissions. They use an online interactive tool to look at data from power production...
US Environmental Protection Agency
Getting to the Core: The Link Between Temperature and Carbon Dioxide
Polar ice samples provide scientists with valuable information about the condition of the atmosphere for hundreds of thousands of years in the past. Of particular interest is the amount of carbon dioxide in the atmosphere and its...
Curated OER
Allele and Phenotype Frequencies in Rock Pocket Mouse Populations
In the deserts of Arizona and New Mexico, some tiny creatures show just how quickly natural selection can turn a mutation into an advantageous adaptation. Watch a video about rock pocket mice, who show that one small change can make all...
Curated OER
Using Vegetation, Precipitation, and Surface Temperature to Study Climate Zones
Using NASA's Live Access Server, earth scientists compare the temperature, precipitation, and normalized difference vegetation index for four different locations. They use the data to identify the climate zone of each location using...
National Woman's History Museum
Anne Hutchinson: Foremother of the American Women’s Movement
Many learners may be familiar with the legacy of figures such as Susan B. Anthony, but what about Anne Hutchinson? Hutchinson was a lesser-known woman who spoke up to patriarchal figures in colonial America, leading to her banishment....
Cuban Revolution
The Cuban Revolution and Its Impact on Latin America
Fidel Castro was the iconic leader of Cuba. Yet, individuals may know little about the man or his motivations. In an engaging Web quest activity, scholars investigate Castro's political aspirations and his more ephemeral personal life...
University of Colorado
Phases of Charon
Charon, the largest of Pluto's moons, was discovered in 1978. Lesson is a walk through of how to solve for the phases of Charon. It uses two different points on Pluto and takes into account the tilt of the pole, the rotational axis, and...
University of Wyoming
Free Fall…From SPACE!/Nanotechnology in the Classroom
Provide the details about Felix Baumgartner's sky jump from the far reaches of our atmosphere, 39,045 meters up! Then get your physics free fallers to evaluate the factors that played a role in his acceleration, the time to reach maximum...
Center Science Education
Weather and Climate Data Exploration
Access local temperature data online, graph averages, and critique it. Learners listen to a scenario where weather and climate are confused, and then answer questions to differentiate the two. The lesson itself is compact, but there is a...
Spark Notes
Tess of the d’Urbervilles by Thomas Hardy: Study Guide - Mini Essays
In this online interactive literature instructional activity, students respond to 9 short answer and essay questions about Thomas Hardy's Tess of the d'Urbervilles. Students may check some of their answers online.
Curated OER
Investigating the Structure of the Flower
Students investigate the structure of the flower. In this biology lesson plan, students examine the basic anatomy of a flower by means of creating a model and understand the proportional relationships of the various parts illustrated.