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 complete...
Geometry
Genres
Grade
Giant iceberg
Ferryland, Newfoundland. JODY MARTIN / REUTERS
Over the past Easter weekend this giant iceberg drifted passed Ferryland, Newfoundland. Its hard to tell how large it actually is but...
Alarming ice cracks on Brunt Ice Sheet in Antarctica
A new, fast-growing ice crack is forcing the Halley VI British research station in Antarctica (shown above) to be moved. Fear of a huge break-off from the ice sheet is alarming no...
How did I graph this heart?
In this activity, students will use mathematical equations to create a heart shape on a coordinate plane. This activity encourages students to apply their algebra and graphing ...
Civil rights marches, how do you count a crowd?
On October 16, 1995, perhaps a million black men gathered for the Million Man March on Washington. This was 32 years after Martin Luther King, Jr. gave his histo...
What's my angle?
I'm going to help save the planet by adding solar panels to my roof!
Should I tilt the panels on my roof to more accurately aim towards the Sun?
If so, at what angle should I use?
S...
Rescue of the Chilean miners - The 33
On August 5, 2010, the San Jose copper-gold mine near Copiapó, Chile collapsed stranding 33 miners in a large cavern more than 2,000 feet below ground. A new movie has just been released about the inc...
How much have doughnuts changed?
Part of the Smithsonian's Sally L. Steinberg Collection of Doughnut Ephemera -- Click on the image to see it larger.
When you are working on volume in your class, you can use this activi...
A parametric heart ... with love
This post is being updated and will be posted before February 6th, 2025. Adventurer members can still access the old files by clicking the solutions & supporting materials.
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Do you have text neck?
What does looking down at your electronic device do to your breathing? To your muscles? To your spine curvature? To your pain? It can lead to a condition called Text Neck. To learn more about Text...