Unit 3 (Matter: Atoms, Density, & Solids) Teleclass Recording

Download the Unit 3: Matter (Atoms, Density & Solids) Teleclass MP3 file here.

Don’t forget – we didn’t record this track in a professional studio, so don’t worry if you hear pops, clicks, chimes, or other odd sounds – just focus on the real message and the learning that’s going on. Are you ready??