Category: Math and Science

Which car should I buy?

Presidents Day is also about car sales. Should you buy a hybrid car or an electric car to save money?  What about the environmental considerations? Students create equations for finding the break-even points of these vehicles by mileage and years…

V-o-r-t-e-x

Use the extreme cold weather to practice and understand integer subtraction.

Huge diamond found in Canada

552-carat diamond found in Diavik Mine, Northwest Territories, Canada Can you tell just how big this gem is?  Do you know how big a carat is? What would this look like on a ring on your finger?

New Horizons spacecraft just flew by a really distant asteroid

On January 1st, 2019, the New Horizons spacecraft passed close to Ultima Thule, a Kuiper Belt object that’s a billion miles beyond Pluto. That milestone marked the most distant celestial object that we have ever been able to see close-up.  In this activity student do some rate conversions to try to understand the delay in knowing that the mission was a success.

Times Square Ball Drop

Share the data in your class and ask what the numbers make your students wonder and what they can observe from the information. Happy New Year!

Winter and holiday posts (16 great activities)

Soda Santa

Winter Solstice – Students appreciate how their latitude effects the darkness of their late afternoon location as they study the earth’s tilt and the logic of daylight hours. 7.G.3, HSG.C, HSG.GMD.4, HSG.MG.1 –  Updated for 2018! Soda Santa – First students guess too…

Egad! It’s already time for Hanukkah

Sunday evening, December 2nd, is the first night of Hanukkah this year. I think it was much later in December last year. Why isn’t it always on the same date? Students look at the Hebrew calendar and appreciate the incredible…

Daylight Savings Time weird happenings

Daylight Saving time is controversial, disruptive, useful, saves energy, increases energy consumption, is inconvenient …  Imagine locations where neighbors are differentiated by one or two hours and experiment with what it might be like to live in a neighborhood of…

Columbus’s progression across the Atlantic

The Niña Columbus Day is a bit of an enigma that used to be celebrated throughout all of the Americas. Indigenous people were not treated well by the European colonization that began with Columbus’s voyage. For that reason, many U.S.states…

Monarchs 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 populations data on Monarchs has seriously changed…

Perseid meteor shower

Catching a productive meteor shower can be a stunning experience.  On the evenings and mornings of August 11th and 12th there could be a very good show.  A nearly new moon will leave the night sky dark. Depending on the…

More eruptions on Hawai’i’s Kilauea

The Volcano Kilauea is continuing to spew molten lava and ash on the island of Hawai’i. This volcano is on the tip of the southern most Hawaiian Island.  Is that significant? In this activity students note the descending ages of…