Math and Science

Hurricanes

The official Atlantic hurricane season started on June 1 and doesn’t end until November 30th. Now Hurricane Irma is approaching Puerto Rico, the Dominican Republic, Haiti, Cuba, and Florida. Encourage your students to join the conversation, knowledgeably, by using our activity.  Students…

Have you seen more monarch butterflies lately?

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…

Total solar eclipse – apparent sizes

Where will the eclipse be seen?  What if you are not in the path of totality?  Total solar eclipse?  What is apparent size?  How can the moon seem to cover the sun completely? We’ve created a pretty extensive investigation about…

Perseids meteor showers coming soon

Catching a productive meteor shower can be a stunning experience.  On the evenings and mornings of August 11th and 12th there is hope of a good show.  A three-quarters moon will make the night sky too light to see the…

Giant iceberg breaks off from Antarctica

The crack in Antarctica’s Larson C ice shelf has been growing for years.  Has the speed of the rift’s growth stayed about the same? increased? decreased?  Do the math and discuss the implications. The activity:  ice-sheet-rift.pdf

Saving Water Bottles

In my grocery store they now have these new water bottle refilling stations. You can simply refill your own container with water instead of buying a six-pack of bottled water. Do you think that this is a good idea?  Are they…

How much pee is in that pool?

After chlorination, it has been hard to measure the quantity of pollutants in pool water.  A Canadian chemist, Xing-Fang Li, has found a marker for urine that chlorine doesn’t disguise. In this activity, students calculate volume of several pools, change that…

Tick time and Lyme disease

Deer tick

With the start of summer and wonderful outdoor activities, it might be good to examine the growth of Lyme disease occurrences in the United States.  The Center for Disease Control and Prevention (CDC) has published maps for all of the…

Measuring sea level

What does this gizmo do? We’ve given students a diagram of what the interior of this mechanism contains and asked them to try to decide what its purpose must be. Then we’ve given them the data that was collected from…

Giant iceberg

Over the past Easter weekend this giant iceberg drifted passed Ferryland, Newfoundland.  Its hard to tell how large it actually is but it looks huge.  Use some of the data that was supplied and your estimation skills to gauge the…

Earth Day, 2017

Saturday, April 22nd is Earth Day There is so much to bring to your classroom to support recycling, conserving resources, studying climate change and protecting our planet. McDonald’s moves toward Antibiotic-free chicken – What will the effects be on costs at the restaurant, costs in…

April’s calf was born!

At about 10:00 am, April 15th, April’s calf was born.  Everyone will be talking about it and smiling constantly. Here’s some fun math stuff to bring with you for Holiday gatherings. The activity:  April’s-calf.pdf

Saint Patrick’s Day, March 17th

Green, green river – They’re doing it again. In Chicago, the local plumbers union “dye” the Chicago River emerald green.  Students learn what PPM (parts per million) means and  attempt to figure out how much dye is used to sufficiently color…