I have two fish in my aquarium. Betty is my white goldfish. She often stays really close to the front wall as she swims towards her food. Stripe, my clownfish, usually swims diagonally a...
From the vacuum description and advertisement in the PDF, how long do you think its cord must be?
Thanks to Brian Shoemaker, Newton, MA teacher, for the idea and pictures.
Photo from the Onion, America's Finest New Source. Women on Gym Treadmill Cranks Incline up to 90 Degrees
This is a very short activity designed to give students a more visual underst...
The world record for the largest cup of coffee was recently set (see picture above). In this activity students explore scale, similar figures, volume and measurement as they estimate the...
Can you see the many spirals in this design?
Students calculate the size of each increasing round of squares and consider what sort of spirals these must be.
Working wit...
The building of this underground house and pool was presented by Cayote Person and his partner, Mark Lavins, on their youtube channel, "Brave Wilderness." At BraveWilderness.com the busin...
Pythagorean triples are not only handy for students to recognize but produce some interesting and lovely patterns. We've combined a little coloring with our Pythagorean Triple pattern invest...
As we get ready for next week's holiday, students can study a map of the annual Macy's Thanksgiving Day parade, describe, measure and hypothesize why this route was chosen and then calculate...
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 activit...
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 complete...