Betsy Ross's 5-pointed star
Flag of the United States from 1777 to 1795.
In honor of Independence Day we thought it would be fun to look at one story about the first American Flag.
The rough desig...
Geometry
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...
Canstruction
Act One: Take a look at the pic. What questions come to mind?
Just before Thanksgiving there are competitions all over the world to celebrate cool design, tricky engineering, a...
Monster cake
Jodie Berman, a high school math teacher in Chicago, loves mathematics and loves to cook. We've created an activity based on her Monster Cake (composed ...
Can you show that the Pythagorean Theorem works?
Use this activity to help your students work through the meaning of the Pythagorean theorem. Pythagorean theorem experiences are often skill and drill work with contrived right triangle problem...
Ramen noodle heist
In 2018, a truck trailer was stolen from a parking lot in Georgia. The trailer was filled with Ramen noodle packages and its contents were valued at $98,000.
What do you wonder about this heist?&...
How big is this hornet really?
Egad !!!!
Giant Asian hornets have now migrated to Washington state and British Columbia. Even though they are sometimes called "murder hornets" their stings aren't fatal. The...
I bought toilet paper online
We needed more toilet paper at home but there wasn't any at the store.
So, I ordered this online. When it came I was surprised. Read on ...
Leslie's socially-distanced party
I risked infecting my friends or becoming infected myself by throwing a very small socially-distanced party. I served baked appetizers, disinfectant wipes, and latex gloves. I cooked whi...
May 27th launch from the U.S. again
May 27 scrubbed because of weather.
Successfully launched Saturday, May 30th, 3:22 pm EDT. Dragon is on the way to the ISS now.
Wednesday, May 27th will be a momentous day for space tr...