Tag: HS

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 problems. In this activity students work with a visual representation of the…

Fall Equinox 2020

Tuesday, September 22, 2020 at 13:30 UTC (which is the same as 9:30 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 travel through the…

How many gumballs are there?

Thinking, estimating, and calculating! How many gumballs are there? How much would it cost to buy them all? How long would it take me to buy them all?

USPS needs help!

Students learn how the Postal Service is funded and try to decide how the USPS could earn more or spend less in their operation.  They finally get to think about whether the post office should be a government run service or a self-sustaining business.

What does the data show?

When you look at the new case numbers of the Coronavirus in the U.S. and compare that with various world and national events and our present scientific understandings, what do you wonder?  What can you deduce?  What might the future…

How fast will my new puppy mature?

There is a new dog aging formula that depends on methyl markers that adhere to the DNA molecules of living things.  Now we know that dogs don’t age as we thought that they did.

String design, ellipses, and orbital mechanics

Artistic way to encourage understanding of a conic section.  Participants physically build an ellipse by choosing two foci and sketching the figure through a loop of string. While stitching an elliptical string design they puzzle about varying the foci spread and the loop length to create more extreme ellipses and are intuitively introduced to the measurement of eccentricity.

Coronavirus trends

Johns Hopkins University of Medicine has a team that maintains current maps and data about the Coronavirus.  They record changes and show trends of the virus activity throughout the World. Enjoy exploring the data, all of the visual mappings, and…

Summer Solstice, the longest day

Saturday, June 20th, 2020 Sunrise on summer solstice at Stonehenge On Saturday, June 20th, at 5:44 pm EDT, the Earth’s North Pole will be tilted as far towards the Sun as it will ever be in the year.  This marks the…