Space cat physics big bang

"Space Cat: The Big Bang Theory" is an introductory physical science book for children aged 6-12. It starts with the physics of everyday life and reveals to us the laws of physics in and beyond the universe. How is electricity generated? Why does the rainbow have 7 colors? Why is the atomic bomb so powerful? Wait... Let children learn to think rationally and recognize the essence of things. This book guides children to fall in love with physics.