The Puzzle of the Ice Age Americans
Young scholars describe alternative theories for how the first humans came to the Americas, and explain evidence that supports or contradicts these theories. They examine the role of skepticism in scientific inquiries.
9th - 12th Science 7 Views 17 Downloads
A Moving Frame of Reference
We often remind pupils to cite their references, but this lesson helps them understand there are many frames of reference. Scholars experiment with throwing a ball straight up in the air and catching it. Then they must do it again while...
7th - 12th Science CCSS: Adaptable
Solving the Puzzle of the Periodic Table
Did you know that the first time someone isolated a pure element was when Henning Brand boiled down his own urine in 1669 and unknowingly discovered phosphorus? The history of our current periodic table of elements is entertainingly...
4 mins 8th - 12th Science CCSS: Adaptable
The 2,400-Year Search for the Atom
From ancient Greek philosophers to early American Quakers, people have sought to understand the composition of matter for millennia. Follow along with this video as it explores the long scientific journey that eventually led to the...
5 mins 5th - 12th Science CCSS: Adaptable
The Coelacanth: A Living Fossil of a Fish
It was just another day of fishing at the local pier when a man unknowingly reeled in a fish thought to be extinct for 65 million years. This short video explains how scientists were surprised to discover that this 360 million year old...
4 mins 6th - 12th Science CCSS: Adaptable