Learners explore the concept of acceleration. They determine the acceleration rate of a roller-blader and graph the results.
7th - 8th Science 3 Views 10 Downloads
The Abracadabra of Engineering: Strong Structures from Flimsy Materials
NASA needs to create lightweight trusses to use on space craft. But how do you hold up a stack of books with nothing more than paper? This activity takes teams through the process of building a section of truss out of nothing more than...
7th - 12th Science
Dark Matter: How Does it Explain a Star's Speed?
Studying spiral galaxies can make your head spin! With this video, find out how astronomers calculate a galaxy's rotational speed, and how the prediction that the outermost stars slow down does not seem to be true. The mystery may be...
3 mins 6th - 12th Science CCSS: Adaptable