CK-12 Foundation
Regular and Irregular Polygons: Polygon States
Colorado would probably object if Wyoming enlarged its borders. Scholars use an interactive map to change the borders of U.S. states to see how angles change. They then answer questions about regular and irregular polygons.
CK-12 Foundation
Evaluate Limits Using Graphs and Tables: Evaluate the Limits
Discontinuities in the graph? No worries. Pupils investigate the limit of a function given graphically using an interactive. The graph has removable and jump discontinuities.
CK-12 Foundation
Infinite Limit Type: Evaluating Limits of Rational Functions
Rational functions become less mysterious when you know about limits. Individuals use an interactive to move a rational function on a coordinate plane and to investigate function values for certain x-values. They see how the limit...
CK-12 Foundation
Least-Squares Regression
Residual plots let you find the perfect line of best fit. As users adjust the points on a scatter plot and a possible line of best fit, the interactive automatically changes the residual plot. This change allows them to see connections...
CK-12 Foundation
Find Imaginary Solutions: Imaginary Zeros
The resource is the real deal. Individuals investigate the imaginary zeros of f(x) = x^2 + 1. They accomplish this task by using an interactive that shows input values x = a + bi and output values x^2 + 1 on a complex plane.
CK-12 Foundation
Vector Sum and Difference: The Country of Dreams
Find your way around using vectors. Scholars use an interactive to learn about vector addition. They answer a set of questions about modeling a route on a map using vectors.
Curriculum Corner
December Writing Journal
December writing activities galore! With everything from poetry to research to descriptive writing to writing about things that represent December, there's no way you will run out of options.
DiscoverE
Conveyor Belt
Convey your interest in conveyor belts. By considering different size tubes, groups create a conveyor belt that can transport boxes of candy at least four feet. Also, the conveyor belt must make a 90-degree turn—quite a difficult task!
DiscoverE
Air Train
Train your pupils to be master engineers. Young learners design a train that travels along a fishing line. The train needs to safely carry pennies as passengers without falling out.
DiscoverE
Harmless Holder
Here's a lesson that's not for the birds! Scholars design and build packaging for soda cans that is environmentally friendly. These packages must be durable, easy to carry, and have no environmental impact.
DiscoverE
Rocket-Powered Ski Lift
If a ski lift had rockets, imagine how fast it would be! Scholars let their imaginations take flight as they build models for such a ski lift. Rather than using a rocket, though, they'll use a much safer balloon as the power source.
PBS
Pop Fly
A lever comes in handy when scholars build a launcher for a ping-pong ball. They test the launcher and redesign it to send the ball higher or to accommodate a tennis ball. This is the third lesson in a five-part unit.
PBS
Four Corners
It's imperative to be as precise as possible. Future engineers learn about precision by building a cardboard machine. The base, corners, handles, and paddles must all be assembled with precision or the machine won't work.
Daughters of the American Revolution
Lesson 2: How Do We Determine the Value of Education?
Have women always had the same educational opportunities as their male counterparts? Young historians read an 1819 essay by Emma Willard on the state of female education in the 19th century before discussing their views regarding women's...
Chemistry Collective
Virtual Lab: Determination of the pH Scale by the Method of Successive Dilutions
Where did the pH scale come from? Take a deeper look at a most important measure of ion concentration using a simulated physical determination. Young chemists prepare a series of dilutions after determining a dilution factor for the...
Teach Engineering
Energy in Our Lives Carousel
Don't waste any more energy trying to find a great resource on energy. The third installment of a 25-part Energy Systems and Solutions unit focuses on energy use in pupils' lives. They consider how their daily routines consume energy and...
Teach Engineering
Messin' with Mixtures
Do you separate your trail mix before eating it? Then you've been separating mixtures your whole life! Scholars model a contaminated soil sample using trail mix and estimate the percentage of each component. They consider how to clean up...
Generation Rx
My Generation Rx: Lead the Scene
Prescription drugs may start out with legitimate usage, but lately they are finding their way to high school and college party life. Have a discussion with the teenagers in your class on prescription drug abuse with a PowerPoint...
Steered Straight
Marijuana Awareness
February is Marijuana Awareness Month, and a set of interdisciplinary activities can make your class aware of the social, medical, legal, and psychological effects of marijuana. With writing prompts, research opportunities, and...
Scholastic
Marijuana Facts
Can marijuana really hurt you? Three medical facts and three discussion questions prompt teenagers to consider the ramifications of using marijuana recreationally.
PBS
Tiger of the Snows: Tenzing Norgay
Tenzing Norgay, the Sherpa man who made history when he reached the summit of Mount Everest with Sir Edmund Hillary, is the focus of an informative article. Class members read about Norgay's perspective on the way up the mountain, the...
Scholastic
Analyzing Media Messages
Telling young people to just say no can be difficult in a world that inundates them with messages to just say yes. A lesson on media messages encourages teenagers to analyze song lyrics and advertisements that mention drugs...
Nuffield Foundation
Digestion of Protein: Microbes
Milk the resource for all it's worth. Young biologists perform assay techniques to test the digestion of protein. They place bacterial samples, fungal samples, trypsin solution, and distilled water on a milk-agar plate to see the effects...
National Nanotechnology Infrastructure Network
Lab 2: Nanocatalysts Clean Your Car Emissions
Surface area certainly surfaces as a variable for chemical reaction rates. Scholars perform an experiment to discover how the size of catalysts affect the rate of a chemical reaction. They record their results in tables and graphs to...