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It's tick time again ... and Lyme disease

Algebra Number Sense Math and Science Math and Social Studies Data and probability
With the start of summer and wonderful outdoor activities, it might be good to examine the growth of Lyme disease and to recognize its carrier, the deer tick. Will this be a record ...

Shoprite's solar energy goals on the African continent

Algebra Geometry Math and Science Math and Social Studies Current events Data and probability
  Shoprite is the largest supermarket chain in Africa.  The company is presently engaged in increasing their use of solar power to harness the abundant natural resource of solar potentia...

At least the days are getting longer

Algebra Number Sense Math and Science Holidays and Annual Events Current events Ratio and Proportion Data and probability
What's your guess?  How fast are the number of daylight hours changing each day?  Are the changes dramatic or subtle? Students make guesses; compute how l...

December 21, 2020 - Great conjunction

Algebra Number Sense Geometry Math and Science Current events
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...

Extreme weather 2020

Number Sense Math and Science
Because of climate change, we've been having too many extreme weather events. There have been unusual droughts and heat in the West, an increased number of hurricanes, severe flooding, and high ...

How big is this hornet really?

Number Sense Geometry Math and Science Current events
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...

It might be a good year to see the Perseid meteor shower

Math and Science Holidays and Annual Events Ratio and Proportion Data and probability
Catching a productive meteor shower can be a stunning experience.  On the evenings and mornings of August 11th, 12th and 13th there could be a very good show.  A last quarter moon ...

How much water should you be drinking?

Algebra Math and Science Math and Food Ratio and Proportion
As we are outdoors more and temperatures are rising, it might be a good time to look at hydration. A healthy requirement for fluids can't really be the same for everyone.  Surely the amount ...

Leslie's socially-distanced party

Algebra Geometry Math and Science
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

Geometry Math and Science Math and Social Studies Current events
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...
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