Peter's Railway a Bit of Energy

ISBN-13: 9780955335976 / Angielski / Miękka / 2011 / 32 str.

Christopher G. C. Vine

Opis

A technical story book - Grandpa tries to answer a tricky question. "Where does the little steam train get its energy from?" A simple lump of coal from the time of dinosaurs!!! This wonderful story of energy conversion is just perfect for those with inquisitive minds. It even covers photosynthesis. Age 6-12.