NSTA Science Objects
The National Science Teachers Association has started a series Science Objects (Interactives) in all subjects for K-12. The topics range from Newton's Laws to contemporary environmental issues. So far, there are thirty-eight.
The Objects contain panels of text description accompanied by an audio reading. Interspersed are highlighting Interactives. Importantly, the grade level for each Object is designated.
My compliments to the NSTA for its' ongoing push to get interactive, active science learning into the classroom.