CK-12 Foundation
See Saw
Can a mother who weighs five times more than her child really be held in the air on a see saw by the child? A simple simulation demonstrates how this is possible through altering the distance from the fulcrum. Scholars can adjust the...
CK-12 Foundation
Block and Tackle
Can you easily lift more than your own weight? With a pulley system, almost anyone can manage this challenge. Scholars adjust the mechanical advantage (number of pulleys), weight of object being lifted, and the length of rope pulled. The...
CK-12 Foundation
Newton's Cannon
Gravity does more than keep our feet on the ground — it holds a satellite in orbit, too. Help learners understand the effects of gravity on an orbiting object through a simulation activity. Individuals adjust a launch speed and watch as...
Virginia Department of Education
Absolute Value
Your birthday can be more than just about presents; it can even teach about absolute value. The class investigates absolute value as the distance from zero on a number line. Plotting birth months and comparing each birth month to July...
CK-12 Foundation
Ambiguous Case: Furniture Store Problems
Remove any ambiguity about using a helpful resource. Individuals use an interactive to find the number of triangles that fit given conditions. They find that some conditions can result in more than one triangle in the ambiguous case.
American Chemical Society
Exploring Energy
When asked to list everyday objects that require energy, most people list technology that use batteries or electricity. Through hands-on exploration, young scientists discover energy is much more than just circuitry. They play with...
Geographer Online
Restless Earth
In less than 25 years, the continent of Australia moved 4.9 feet thanks to plate tectonics. The presentation introduces the idea of the layers of the earth as well as plate tectonics. It goes into why the plates move and where we believe...
Illustrative Mathematics
Representing Half of a Rectangle
Did you know one half of a rectangle be represented in more than one way? Young mathematicians choose the rectangles that represents one half with an instructive worksheet.
CK-12 Foundation
Combination Problems: Friends at a Party
Friend or stranger? Can there be less than three in a group? The interactive asks learners to prove that for seven people at a party, at least three of them are either mutual friends or mutual strangers. Pupils determine the number of...
CK-12 Foundation
Latitude, Longitude, and Direction: Angle from the Equator
Which has the higher IQ, latitude or longitude? Longitude because it has 360 degrees! The interactive introduces the way latitude is measured and why it can never have more than 90 degrees. A handful of challenge questions encourage...
Queen's Printer for Ontario
Composers in Music History
What do Johann Sebastian Bach and Miles Davis have in common? Much more than class members might imagine. The comparison of these two famous composers is just one lesson in a unit that investigates many facets of the music industry...
CK-12 Foundation
Absolute Value: Picket Fence Painting
Painting a fence can be useful for more than just making your yard look good. A slider interactive has young mathematicians adjust the number of white fence panels. This activity helps in understanding how absolute value equations...
Norwich University
Seven Man-Made Engineering Wonders of the Ancient World
Imagine precisely cutting and then moving a 120 ton boulder more than two miles without mechanical cutting tolls, skid loaders, or hydraulic cranes. Imagine carving a stone figure that includes a drainage system that permits rainwater to...
PhysEdGames
4-Square Volleyball
Bump, set, spike! Play this twist of 4-square to practice volleyball skills. All you need is four squares connected in all the same corner, and four players. The goal of the game is to be able to get to the king's square by...
Royal Society of Chemistry
Pollutants in Air (14-16)
Polluted air contains more than 200 chemicals that age the skin, causing urban women to appear 10 percent older than their rural peers. An interesting interactive connects air pollutants and related data. Scholars work their way through...
K12 Reader
Order of Adjectives: Add Another
Some nouns need more than one adjective to adequately describe them. Using a reference poster that puts twelve categories of adjectives in order, class members fill in the blanks to complete eight sentences.
Nuffield Foundation
Observing Earthworm Locomotion
One acre of land can contain more than a million earthworms. Scholars collect earthworms to observe their movements. Once placed on paper, the sound of movement often fascinates pupils. When placed on glass, the earthworm is unable to...
Centers for Disease Control and Prevention
Major Disparities in Adult Cigarette Smoking Exist Among and Within Racial and Ethnic Groups
Data indicates that some racial groups smoke more than others, and that with that racial group, there are smaller groups whose smoking habits vary as well. Secondary learners read a graph that details the differences between the Asian...
Howard Hughes Medical Institute
Lesson 3: Scientific Inquiry with WildCam Gorongosa
When biologists installed cameras in Gorongosa National Park, they ended up viewing a lot more than the lions they were trying to help! Young ecologists observe one of Africa's most beautiful savanna regions with interactive trail camera...
101 Questions
Best Triangle
What makes an equilateral triangle equilateral? It turns out it's much more than just the side lengths! Learners analyze four different triangles to determine the best equilateral triangle. They create a formula that they later use to...
University of Virginia
Illustrating Uncle Tom's Cabin
Historical illustrations reveal more than what they are meant to portray. After reading Harriet Beecher Stowe's Uncle Tom's Cabin, high schoolers view a series of illustrations, movie posters, photographs, and book covers that exemplify...
The New York Times
I Don’t Think So: Writing Effective Counterarguments
When it comes to writing effective arguments, writers must do more than simply make a claim, counterarguments must be considered. Aspiring writers analyze counterarguments in editorials, and then learn how to write counterarguments in...
National Nanotechnology Infrastructure Network
Silver and Bandages: Assessment of Inhibition of Bacteria by Silver Colloid-Impregnated Bandages
Silver: more than jewelry, it's also a natural antimicrobial agent. An inquiry-based lesson asks collaborative groups to design and implement an experiment to test this property. Using samples of silver nanoparticles and a strain of...
101 Questions
Potatoes
Between 2000 and 2017, the cost of potatoes more than doubled in the United States. Pupils use the total cost of two types of potatoes to solve for the number of pounds of each type of potato. Then, they determine if the kitchen scale...