Germ-Killing Wipes
In this activity, students get to dig into the real impact of disinfectant wipes. With one wipe claiming to kill 99.9% of germs and another at 99.999%, does that tiny extra percentage actual...
Math and Science
Genres
Grade
How much pee is in your pool (Updated)
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, has found a ...
Earth Day Actions for Our Planet (April 22)
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 ...
DST ends November 5th, 2023 - strange happenings
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 Navaho and Hopi nations. What variables...
Vampire bats + Mosquito eating bats
Ooooo. Scary! In this first activity on vampire bats we've given lots of interesting metric and customary unit facts and asked students to relate those sizes to more familiar objects. Si...
Nobel Prizes
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 know who has received one?
Alfred Nobel was a ...
Will this be an El Niño winter?
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 is a marker for the upco...
Huge Alaskan Vegetables
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 in Alaska is s...
Lego Fireman +
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...
Autumnal Equinox 2023
Updated for 2023!
Saturday, September 23, 2023 at 06:50 UTC (2:50 am EST),
will be the Autumnal Equinox. It is the time of year when an imaginary plane would pass through both the Earth...