Light & Energy : Science Knowledge Encyclopedia for Children

What are photons? What does the Big Bang Theory state? Which colours is the human eye most receptive to? This encyclopedia will answer these and more whats and whichs for you. Learning is made simpler with well-labelled diagrams, and an extensive glossary of difficult words. Bonus: the book comes loaded with Isn’t It Amazing —a section of fun facts to keep you glued for more.