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Activity
101 Questions

Coins in a Circle

For Teachers 9th - 12th Standards
Round and round you'll go! Learners watch as different-sized circles fill with coins. They collect data and then make a prediction about the number of coins that will fit in a large circular rug.
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Activity
101 Questions

Coffee Traveler

For Teachers 9th - 12th Standards
Investigate the volume of irregular figures in an inquiry-based exercise. Presented with an irregularly shaped box filled with water, learners must predict the level of water when it is tipped on its side. The class can divide the figure...
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Activity
101 Questions

Pool Bounce

For Teachers 9th - 12th Standards
Use geometry to improve your pool game! Learners analyze the front half of a pool shot to determine its resulting path. By measuring the angle of incidence, they are able to predict the path of the ball. 
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Activity
101 Questions

Super Stairs

For Teachers 9th - 12th Standards
Keep your classes climbing in the right direction. Young mathematicians collect data from a video presentation. Using their data, they build an arithmetic sequence and use it to make predictions.
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Activity
101 Questions

Apple Mothership

For Teachers 9th - 12th Standards
Explore Apple's spaceship office building. Built in the shape of a circle, the office building offers a unique floor plan challenge. Young scholars use the dimensions of the building to estimate the square footage for each employee. 
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Activity
101 Questions

Bottomless Mug

For Teachers 9th - 12th Standards
How much coffee can you actually drink? An intriguing lesson has learners consider an advertisement for a bottomless mug of coffee. While considering the price of the mug, they analyze different scenarios to determine the cost-saving...
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Activity
101 Questions

Circle-Square

For Teachers 9th - 12th Standards
How do the area and perimeters of circles and squares compare? A clever video illustrates the change in the area of a circle and square while their total perimeter stays the same. The task is for learners to predict the point where the...
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Activity
101 Questions

Chalk Lines

For Teachers 9th - 12th Standards
Read between the lines to find a solution. Budding mathematicians analyze a situation to solve a problem. They view a video presentation of the problem, brainstorm important information to gather, and write linear equations to find...
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Activity
101 Questions

Pixel Pattern

For Teachers 9th - 12th Standards
Any vintage video game users in the room? Young scholars use a video presentation to analyze patterns in pixel arrangements. By writing an arithmetic sequence, they make predictions about the size of the image.
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Activity
101 Questions

Best Circle

For Teachers 9th - 12th Standards
Drawing the perfect circle is harder than one would think! What makes a circle a circle and how can you define that with a formula? Young mathematicians devise their own methods of analyzing the imperfections of circle drawings. Using...
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Activity
101 Questions

Best Triangle

For Teachers 9th - 12th Standards
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...
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Lesson Plan
National Nanotechnology Infrastructure Network

Help or Hype: The Ethics of Bio-Nanotechnology

For Teachers 6th - Higher Ed Standards
Ethical concerns are not always black and white. A well-designed activity presents learners with scenarios for which ethics may come into question. Scholars learn to consider the different sides of a situation and make an unbiased...
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Lesson Plan
Howard Hughes Medical Institute

Lesson 7: Observations Across Habitats

For Teachers 9th - 12th Standards
How are animals in separate but nearby habitats related? Ecology scholars compare the animal inhabitants of the Gorongosa National Park in part seven of an eight-part series. Learners study photos from two different habitats, then...
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Activity
Howard Hughes Medical Institute

The Teosinte Hypothesis

For Teachers 9th - 12th Standards
Don't want to sound corny, but your class will be a-maize-d by an engaging activity! Explore the history of the modern corn plant through a video and Punnett squares. Junior genetics experts get hands-on experience with actual research...
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Activity
Howard Hughes Medical Institute

Building Ecological Pyramids

For Teachers 9th - 12th Standards
Looking for a fresh take on traditional food/energy pyramids? Conduct an innovative activity where pupils build their own! The lesson uses research data from Gorongosa National Park in Mozambique for a real-life safari touch. Scholars...
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Activity
Howard Hughes Medical Institute

Niche Partitioning Activity

For Teachers 9th - 12th Standards
Dinnertime on the African savanna is a highly choreographed event! Introduce young ecologists to the concept of niche partitioning through a hands-on activity. Pupils research animal behaviors and use data to develop an understanding of...
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Lesson Plan
The New York Times

I Don’t Think So: Writing Effective Counterarguments

For Teachers 9th - 12th Standards
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...
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Activity
101 Questions

Meatballs

For Teachers 9th - 12th Standards
Your classroom will overflow with learning as they analyze the volume in a pot of meatballs. Young mathematicians predict the number of meatballs that will make a pot of sauce overflow. They incorporate both the volume of cylinders and...
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Activity
101 Questions

Hot Coffee

For Teachers 9th - 12th Standards
Your classes will be wide awake during a piping hot lesson! Introduce the resource with a video of the world-record-breaking cup of coffee. Learners work to determine the volume of the cup of coffee to predict if it will break the record.
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Activity
Howard Hughes Medical Institute

Seed Dispersal in Tropical Forests

For Teachers 9th - 12th Standards
How do seeds get around? It's not like plants can control seed dispersal—or can they? Dig deeper into the amazing mechanisms of seed dispersal observed in tropical plants through interactives, a video, and plenty of hands-on data...
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Interactive
Chemistry Collective

Virtual Lab: DNA - Dye Binding: Equilibrium and Buffer Solutions

For Students 9th - Higher Ed Standards
Your class is bound to be fascinated by this virtual lab! Young biochemists explore molecules that bind to specific sites on the DNA molecule through a skillful simulation. The lesson challenges learners to create a DNA-bound solution...
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Interactive
Chemistry Collective

Virtual Lab: Creating a Buffer Solution

For Students 9th - Higher Ed Standards
Buffers don't just magically appear in the stockroom when you need them! Give learners a crash course in buffer basics using an interactive lab assignment. Individuals are tasked with creating a buffer with a certain pH that will react...
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Interactive
Chemistry Collective

Virtual Lab: Unknown Acid and Base Problem

For Students 9th - Higher Ed Standards
Looking for an easy way to give your class experience with acid-base chemistry outside the lab? Try a detailed interactive that puts them in total control! Young chemists determine the dissociation constant and concentration of an...
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Interactive
Chemistry Collective

Virtual Lab: Determining the pKa and Concentration Ratio of a Protein in Solution

For Students 9th - Higher Ed Standards
It's pretty common to determine the dissociation constant for an acid or a base ... but, what about a protein? Challenge your class with a virtual lab designed to further develop their acid-base chemistry skills. Individuals determine...