Tag: 8th

Fall Equinox 2021

Updated for 2021! Tuesday, September 22, 2021 at 19:21 UTC (which is the same as 3:21 am EST), will be the Autumnal Equinox.  It is the time of year when the imaginary plane that passes through the Earth’s Equator would also…

Monarch’s are flying south again

In mid-August and early September, the Monarch butterflies begin their annual migration south to more moderate climates to hibernate and overwinter.  It is an incredibly long migration and fascinating to observe.  But, the population data on the Monarchs has seriously…

Steepness and fall hiking

Combine colorful and cool fall hiking with a little mathematics about percent grade change. What is a steep grade? Why is it in percent? How does grade change relate to slope?

Hurricanes, Typhoons, and Cyclones

This is the season for increased cyclonic activity around the globe. Typhoons, Hurricanes, and Cyclones are measured with an Accumulated Cyclone Energy score (ACE). Does it correctly describe these events?

Labor Day 2021

What is this holiday about?  Are we celebrating the start of school?  New cars? The end of summer? Students look for patterns in the history of Labor Day dates. They then use those observed patterns to predict future dates of the holiday.

Just ONE hot dog

A newly released nutritional and environmentally sustainable study shows that eating just one hot dog can take 36 minutes off your total healthy lifespan. How many would you have to eat to lose a whole year of your lifetime?  How much did Joey Chestnut loose in the 10 minutes of Nathan’s annual contest?

Back to school activities

Who’s going back to school? – Students calculate the historical changes in U.S. population percentages of people who are going back to school and try to formulate reasons for these variations. 6.EE, 6.RP.3, 6.SP, 7.EE, 7.RP.3, 7.SP Does it pay to get…

Haiti’s earthquake and the Richter scale

On August 14th, Haiti was hit with a powerful 7.2 magnitude earthquake. What does a 7.2 magnitude earthquake imply? What’s a seismometer.  What is the amplitude of a seismograph and what does it mean? Use our Richter scale activity to introduce your students to logarithmic Richter magnitudes.

That’s a big tomato!

These Aussi tomatoes (the tomato on the left of all of the tomatoes) are huge.  How much do you guess one weighs? Can you figure it out?

Let’s learn to gerrymander

In this activity student try to redistrict our pretend state in order to preserve the overall state’s leanings in its new districting plan.  Then students redistrict the same state in a way that insures that the minority party will win the next election.

How many athletes brought home no medal?

Probably most of the athletes that went to Tokyo didn’t win a Gold, Silver, or Bronze medal.  We couldn’t find any numbers about these people.  Can you figure it out from what we could find?

The new R-naught number

Now we’re plagued with the Delta variant of the coronavirus.  What was the original virus’ R-naught number and what has it become?