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...
Math and Science
Genres
Grade
December 21, 2020 - Great conjunction
Right now, just after sunset, in the southwest sky, you can check out the planets of Jupiter and Saturn as they get closer and closer to each other. They are millions of miles apart but they app...
Pottytalk
I'm trying to be more savy about wasting our resources. I have really old fashioned toilets and I'm trying to figure out if I should invest in saving water. Can you help me?
For...
Cost of light bulbs - updated!
Algebra
Number Sense
Math and Science
Math and Social Studies
Ratio and Proportion
Data and probability
There's a lot of misinformation out there about the cost to consumers of CFL and LED bulbs and the savings in energy and money that could be realized.
Let your students "do the math" and realiz...
Cholera in Haiti
On January 12th of 2010, there was a tremendous, 7.0 magnitude, earthquake in Haiti. Hundreds of thousands of people were killed or injured and a million people became homeless. Then on November 5th...
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