2023-11-20 09:44:42
Microns and Masks
Microns and Masks
How big is one coronavirus? How big is a micron? How well do these masks protect against the virus? What can you observe about the size of particles mentioned? Why are we wearing masks?
Comments (0)
Display 1 - 10 Of total 0
C and F
This activity begins with explorin...
I need help raking my leaves
Brian has spent too much time thinking about his l...
Do the best movies make the most money?
Do the "Best" movies make...
Operation Gratitude – Halloween candy buy back
This is a great idea! Moti...
How many hot chocolate scoops do I need?
Even though it is now Spring, here in New Englan...
Viral Growth - Talk like a Pirate Day
Sunday, September 19th is "Talk like a Pirate Da...
It's tick time again ... and Lyme disease
With the start of summer and wonderful outdoor a...
V-o-r-t-e-x
Weather temperatures have been extreme in the ...
Mental math tricks - part 2
36 x 25 = 900 480 x 25 =12,000 ...
My Facebook IPO investment
What is an IPO? Are they always good inves...