Find the right house within walking distance from school. The short assessment has pupils determine the houses that are a given maximum distance from a school. Individuals then determine the shortest and longest walks from the homes that...

How many hot dogs does Fenway Park go through in a year? Learners estimate answers to this question and more as they work through the task. Problems require participants to make assumptions and use those assumptions to make estimations.

Aqua regia, or royal water in Latin, is a solvent that can dissolve solid gold and platinum into a solution. Activity nine in a series of 36 allows classes to learn, through readings and answering questions, what a solution is and the...

Whose turn is it? Keep track of individuals' turns with a turn-taking board. Applicable to every subject and classroom, the educational strategy provides pupils with structured expectations and endurance while awaiting their turn.

Measure health as a triangle, with each side representing different aspects of health: physical, emotional/mental, and social. High schoolers complete a self-assessment of their health in all three areas before scoring their progress and...

Does it ever seem like time is slipping through your fingers? Model the passing of time with an hourglass activity in which individuals determine whether hourglasses are the most efficient way to measure time.

Build a function to solve problems rooted in archeology. A comprehensive set of five lessons presents problems requiring individuals to use functions. The initial lesson asks learners to find the possible number of dinosaurs from a...

Examine the consequences of varying speed.  An engaging set of five problem sets challenges young mathematicians by targeting a different grade level from K-12. In the initial lesson, scholars make conclusions about the time it...

Individuals discover how to draw cubes on triangle-dot paper. They use cubes to build structures and draw corresponding isometric drawings on dot paper in the second lesson of the series of five. The activity also introduces the concept...

Challenge individuals to compete as many tasks as possible. Lower-level tasks have pupils apply costs and rates to solve problems. Upper-level tasks add algebraic reasoning and conditional probability to the tasks.

Our bodies have some amazing capabilities, but there are some limitations. Explore the limitations of the human eye through the eighth lab activity in a series of 12 biology lessons. Individuals measure their own peripheral vision...

Step into one of the most iconic battlefields of the American Civil War with an educational interactive resource. Young historians learn about key moments, locations, soldiers, and turning points in the battle with a clickable map and...

Have you ever watched a political speech and felt your heart beat a little faster, and your opinion either solidify or begin to slightly change? Rhetorical devices can be a strong tool in an effective and powerful speech. A short lesson...

How can engineers help their communities? Three challenges in the first unit explore why STEM is important to communities and how neighborhoods are engineered to experience those benefits. The second unit prompts groups to plan an...

"Neuroscientists consider Cajal as important to their discipline as Einstein is to physics." The first of four lessons has scholars view Santiago Ramon y Cajal's drawings of neurons. They reflect and respond to the art through writing...

Examine the segment addition postulate through an online simulation activity. An interactive lesson allows scholars to manipulate points and watch as the lengths of segments change. Through their study, they are able to apply the Segment...

What better way is there to learn about isotopes than to play with them? Chemistry students manipulate the number of protons and neutrons in a hands-on activity. Individuals try to score the largest number of points...

Investigate the Law of Conservation of Mass through a lab exploration. Individuals combine materials to initiate chemical reactions. They monitor for signs of reactions and measure the masses before and after the reactions for...

Bridge the gaps in your knowledge of bridges. Individuals learn about bridge types by building models. The activity introduces beam bridges, arch bridges, truss bridges, and suspension bridges.

Take solace, teens ... cats get acne, too! After making a diagnosis in the previous lessons in the series, learners must now decide on a treatment to complete the sixth installment of this biotechnology unit. The typical treatment for...

As the new year approaches, it is time to reflect and set goals. This year, use a set of New Year's worksheets to set individual academic and personal goals, as well as classroom goals. Half of the packet could be completed before class...

Can you feel the weight of the air on your shoulders? Your classes may not believe that air has weight. A straightforward experiment asks individuals to weigh a bottle before and after adding air. Their results may surprise them!

Put those old holiday lights to good use. Individuals use a section of ornamental lights to create electric circuits. If the lights glow, it's a success; otherwise, it's time to try again!

Write, edit, and then revise! The fourth lesson in a five-part series asks peers to provide feedback on research. Individuals then use the research to edit and revise conclusions and develop their presentations.