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How much pee is in your pool? 🏊🏊 After chlorination, it has been hard to measure the quantity of pollutants in pool water. A Canadian chemist, Xing-Fang Li,...
Updated in April 2026 with new data; see the answer key. How much do we spend on Mother's Day? Use the Mother's Day event to engage your students...
We have 16 activities that you could use for Earth Day! April 22nd is Earth Day. Help your students become activists for our planet? We have 16 activities...
Image by kjpargeter on Freepik It's a gorgeous ball, covered with Waterford Crystal triangles, shaped as a geodesic icosahedron. Every New Year's Eve it descends in Times Square...
image designed by macrovector / Freepik This activity can be used in a large range of grade levels. Your class can work on percents, linear equations or piecewise...
In this activity, students work through the nomenclature to understand the possibilities of nano science and quantum dots. Questions that are answered; How many nanometers are in a...
The Cricket World Cup is being played now (October 5 to November 19, 2023) in India. This is a complex game that is played with enthusiasm and humor....
In this activity students try to figure out how time settings will change as they move from place to place and in the serious weirdness of Arizona and...
The Nobel Prizes have just been awarded. This is the medal that is given to the winners. What do you know about the Nobel Prize? Who do you...
The Oceanic Niño Index (ONI) started to show changes to the Pacific Ocean surface temperatures in April and May of this year. Those temperatures are still rising which...
The annual Alaskan State Fair has just been completed. As usual, there were some amazingly big vegetables that won the agriculture prizes. Evidently, even though the growing season...
At the Toys R Us store, we saw an amazing LEGO creation. He was a life-sized LEGO fireman with a walkie-talkie, an oxygen tank and even an oxygen...