NOVA Elements is a free app about the periodic table.  I like it because it exemplifies my envision of how the future text books should be – the science concepts are explained using multi-media materials, such as short videos, pictures, 3D models, short paragraphs of text.  Built-in games with interactive activities are there to reinforce what are learned. When you open the app, you will see three options: Explore: the interactive periodic table. This is a quick reference that defines the unique… Read more