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...
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.
Willow at Baltimore, MD Zoo
Willow weighed 125 pounds at birth and was 6 feet 1 inch tall. She will grow to her adult height of around 14 feet tall in only four years! How big wou...
Nematodes
Grubs are killing my grass. I don't want to put poison into the ground. What can I do?
There are tiny roundworms called beneficial nematodes. They can kill destructive so...
Cute little birds. Piping plovers are nesting on beaches along the Atlantic coast. Consequently beaches are often roped-off or closed to protect their nests and chicks. Is this conservatio...
[caption id="attachment_17570" align="aligncenter" width="263"] Gunter's chain[/caption]
Help your students understand what they are reading or hearing about the California drought. Terms like acr...
In order to cook Paella (a delicious Spanish rice dish) I needed to buy Saffron spice. It was hugely expensive. So, I've decided to start a business of growing saffron and becoming immen...
Wildfires are burning in the Sierra Nevada Mountains near Yosemite National Park. In this activity we ask students to examine various maps of this California region, calculate distances us...
Clicking on the image will show it larger.
I'm not very good at understanding how large my device capacities are and how big the files that I want to download are in comparison. I decid...
Recovery of the treasure from the 1941 sinking of the S.S. Gairsoppa was recently completed and a huge amount of silver was brought up from the ocean floor. Let your students get a fe...