The Causes of Differences in Density
Students explore what causes differences in density. They observe an models depecting atoms, compounds, and molecules. Students determine if there is air in between atomic bonds. They study the structure and spacing of molecular bonds.
7th - 12th Science 3 Views 14 Downloads
NASA Engineering Design Challenges - Spacecraft Structures
What kind of design challenges are there in building structures to support rocket engines? The unit takes design teams through the process of building the lightest possible thrust support structure that can withstand the necessary forces...
6th - 9th Science
Just How Small Is an Atom?
Using a massive cartoon blueberry as an atom model, an animated astronaut describes an atom's anatomy and the density of its nucleus. After showing this featurette, you can have young physical scientists construct atom models. Also, be...
5 mins 5th - 8th 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