Oxygen and carbon dioxide freely cross cell membranes. The simulation demonstrates the diffusion of these across a permeable membrane. To create a great visual for users, it graphs the balance of molecules as it changes throughout the...

Finding the volume is an integral characteristic of a vase. Using the idea that summing the areas of cross-sectional disks will calculate the volume of a rotational solid, pupils find the volume of a vase. Scholars determine the interval...

Fight against the current. Pupils explore the resulting path when they are crossing a river while being pushed downstream by the current. Using vector notation, learners express the speed and direction of a ferry. They finish by...

Find the needle on a lined paper. Pupils run a simulation of dropping a needle on a lined paper. The probability of the needle crossing at least one line is pi/2. After each trial, the interactive displays the approximation of pi based...

It's a small world after all. Classmates consider world population, languages, and religions in a cross-curricular lesson. Applying percentages and proportions, they determine what the class make-up would be if the class represented the...

Hail to the Chief! Your class learns about Abraham Lincoln winning presidency and choosing cabinet advisors through a reading passage and paired multiple choice questions. The resource offers great practice for state tests and...

Time doesn't fly when you're watching a snail cross a sidewalk. Combining the concepts of the Pythagorean Theorem and the distance, rate, and time formula, learners determine how long it takes a snail to go from one corner of a sidewalk...

Why was the road crossed by the chicken? Because the writer forgot to write in active voice. Many myths surround the use of passive voice. Thankfully, an informative handout explains how to recognize passive voice and when it's okay to...

Resistance is not futile ... it is voltage divided by current. Scholars apply their knowledge to a series of ranking puzzles. First, they consider wires of varying lengths and then wires of varying cross-sectional areas. Finally, they...

Water is the source of life. It appears in poetry in both peaceful and torrential descriptions; it appears in earth science in its liquid, gaseous, and solid states. Combine these interpretations of our planet's most precious and...

West Side Story, the modern retelling of William Shakespeare's Romeo and Juliet, won ten Academy Awards for its rousing depiction of the tale of star-crossed lovers. But how closely does the plot align to its source material? Compare and...

You won't find yourself racing the clock on such a great task. Scholars use video information to predict the time left on a crosswalk signal after a pedestrian crosses. The video shows the time left on the counter, and individuals must...

Turn the class into the next episode of Law & Order! Scholars work together to create a mock trial over the course of several weeks before going before a judge for the case performance. They take on different roles, go through...

William Shakespeare's Romeo and Juliet, a play about star-crossed lovers, resonates deeply with teenagers. The study packet contains study questions for each act of the play. Learners use a graphic organizer to analyze whether characters...

And round and round the park we go! Given a description of an amusement park with the locations of three attractions connected by walkways, learners consider what happens when additional attractions join the mix by doubling the length of...

Don't cry over broken pottery. A cross-curricular lesson challenges pupils to consider how to restore ancient pottery. Using a computer program and their knowledge of transformations, they come up with a way to recreate the original...

Over the course of seven years, Gregor Mendel grew more than 28,000 pea plants. The large amount of data he collected led him to postulate the rules of genetics as we understand them today. Scholars learn about Mendel, genetics, and...

The area is essential to volume. As part of the review for the General Certificate of Secondary Education math assessment, a helpful video covers how to find the volume of several common 3-D figures. Pupils use the general volume formula...

Did you know that Vivaldi’s orchestra was largely made up of girls from an orphanage? Fun facts like this fill a 34-page teacher's kit designed to accompany a cross-curricular study of Vivaldi's The Four Seasons. 

It's not uncommon to pay a toll to cross a bridge. But what happens to the price of that toll if it's charged to make a profit? Learners use materials from College Board to figure out their answers. Other questions examine issues of...

Reading a scientific article about cross-species synchronization may sound like a yawner. But "Monkey See, Monkey Do" is a fascinating tale that just happens to be about yawning, within and across species. After a close reading, class...

Do not cross the line while graphing. Provided with several coordinate axes along with asymptotes, pupils determine two functions that will fit the given restrictions. Scholars then determine other geometrical relationships of asymptotes...

Charlie Brown may not feel the Christmas spirit this year, but your elementary students can use the season to practice important cross-curricular skills! A set of worksheets and activities based on A Charlie Brown Christmas guide...

A cross-curricular resource teaches and reinforces mathematical concepts with several activities that use parts of a newspaper. Scholars use scavenger hunts to find the different ways math is used in the paper along with using data...