Electricity and the atom

page 82. Introduction to the atom

What is an atom and how do we know it? Video explanation. From ancient times to today,

Electrons move around the nucleus.

This is a PPTX by Iván in grade 5 A. Link. 

This is a PPTX by Irene in grade 5 B. Link.

Thanks, Iván and Irene, for your excellent works. Share your comments!

Working on.