Cornell University
LEDs Rainbow Connection
View LED lights through the eyes of a scientist. Young scholars learn to view light as a wave frequency and connect various frequencies to different colors on the light spectrum. A lab activity asks groups to measure the frequency of...
Curated OER
Design Project: LED Stroboscope
In this physics worksheet, students design and build an electrical circuit using LED as a light source. They complete 2 short answer questions about their design.
Curated OER
Easily Confused Words: Lead and Led
Although not quite as confusing as their, they're, and there, many people have difficulty with lead, lead (the toxic metallic), and led. Review these basic sentences with your third and fourth graders, and have them complete the short...
Write.com
Lead vs. Led
Teach a lesson on the commonly confused words lead and led and assign this activity to review the material. Learners must not only choose the correct word for each sentence, but they also need to determine whether the word is used as a...
Curated OER
From the President's Lips: The Concerns that Led to the Sedition (and Alien) Act
Students research and briefly summarize the international situation during John Adams's presidency. They list the concerns that led to the Sedition Act and describe it.
Curated OER
Student-Led Parent Conference
Students prepare for student-led parent conferences. In this communication lesson, students collect data to build portfolios for use during parent conferences. Students practice their presentations in preparation for the actual conferences.
Curated OER
What Events Led to Lincoln's Assassination?
Fourth graders use primary and secondary sources to research the assassination of Abraham Lincoln. They identify arguments supporting and opposing the position that Lincoln's assassination could have been prevented and write a report...
Curated OER
How Has Colonialism Led to Multilingualism in Africa
Prepare yourself for a top-notch presentation on colonialism in Africa! Discussed are the reasons for African multilingualism. Maps and a country-by-country look at various colonists that made their mark on the African continent are...
Curated OER
Jonas Salk: He Led the Battle Against Polio
Do you know who Jonas Salk is? Print these pages and have your middle and high schoolers read his biography in Time magazine. The reading itself is short, and it is followed with a key date chart, three reading questions, two connection...
Mathematics Vision Project
Quadratic Equations
Through a variety of physical and theoretical situations, learners are led through the development of some of the deepest concepts in high school mathematics. Complex numbers, the fundamental theorem of algebra and rational exponents...
Curated OER
Bronx Cheer Bulb
If you chew or make a "raspberry" while viewing an LED light source, the light will appear to wiggle or flicker. It is not because of the light itself, but because of the vibration of your skull! Have your physics class give this a try...
Alabama Department of Archives and History
A College Student's Perspective on WWI
Some things remain the same, such as the world being on the brink of war, or college attendees writing home requesting money. As part of their research into events that led up to President Wilson's declaration of war on Germany, class...
Mathematics Vision Project
More Functions, More Features
Learners tackle a wide range of intimidating topics in this comprehensive unit that spans piecewise functions, absolute value of functions, and inverse functions (among other topics). Investigative group work alternates with more...
Colorado State University
What's the Difference Between Blue Light and Red Light?
Finally, an electromagnetic spectrum lab that will get glowing reviews from your class! Explore the nature of light using red and blue LED sources and fantastic phosphorescent paper. Young scientists compare the effects of blue light...
EngageNY
Connecting Ideas in Primary and Secondary Sources: What Led to the Attack on Pearl Harbor?
Let's make some sense of those thoughts! Scholars continue thinking about the different perspectives on Pearl Harbor. They analyze quotes from War in the Pacific, Day of Infamy, and Fourteen-Part Message. Readers tape each quote to chart...
Curated OER
Hila Research Centre - Electronics 1
Basically walk your early electronics techs through the vocabulary relating to an electronic circuit. Give them an LED light, a resistor, a battery, and some clips, then have them construct a simple circuit. Specific electronic equipment...
Curated OER
Who Led the South?
Eighth graders explore the role of Jefferson Davis and his leadership of the Confederacy during the Civil War. They examine the command system used in the Confederacy and analyze the effectiveness of the command system.
Curated OER
The Civil War: A Nation Divided
Discuss the differences between the North and the South and how those differences led to the Civil War. Middle schoolers examine and analyze a famous speech or writing by President Lincoln in order to better understand the speaker's...
Curated OER
Soar Into Spring With Kites!
The kite has an amazing history! It has been used for thousands of years, has led to many scientific disoveries, and has made some people very famous. Just ask Ben Franklin! This terrific lesson offers many cross-curricular activities...
Curated OER
United States Entry into World War I: A Documentary Chronology of World War I
Students identify several important events that led to U.S. involvement in World War I. They examine different explanations, form an opinion about the evidence for each rationale and then create a slideshow to present their findings.
California State University
The American Revolution
Invite your class on a ride through the American Revolution. Young historians travel through time as they explore the events that led to the foundation of the United States of America. Over the course of eight lessons, this unit provides...
Curated OER
One Room Many Minds
Here is a series of four lessons which explore the old one-room schoolhouses that were prevalent in days gone by. The lessons look into the economic, geographic, and cultural contributions that led to their building. Learners make...
Curated OER
Westward Ho!
For any teacher of American History, The Lewis and Clark Expedition is a watershed event that should be shared with your students. This is a very good lesson plan on the Expedition, and the events that led up to it; including The...
Curated OER
The Extinction and Rediscovery of the Ivory-Billed Woodpecker
An incredibly thorough, and well-designed lesson teaches youngsters about the presumed extinction and rediscovery of the ivory-billed woodpecker in Arkansas. Learners discuss the environmental factors that led to the birds disappearance....
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