Knihy autora Moore Rob

A series of twenty non-fiction science readers which engages children in the world around them. What is gravity? Why don't skydivers fall off into space? Do heavy objects ...viac o knihe

A series of twenty non-fiction science readers which engages children in the world around them. What is electricity? What is static electricity? Why do batteries go flat? ...viac o knihe

A series of twenty non-fiction science readers which engages children in the world around them. What makes flight possible? Why can a bumblebee fly? How does a jet engine ...viac o knihe