CHARLES LIU is a professor of physics and astronomy at the City of New York's College of Staten Island and an associate with the Department of Astrophysics and Hayden Planetarium at the American Museum of Natural History. He and his wife have three wonderful children who love learning about science.
'When I throw things, why do they fall?' 'Why is the Earth sticky?' 'When I run down a hill, why is it hard to stop?' As a kindergarten teacher, my students ask me all sorts of questions about the world around them. This dynamic and charming book is the perfect tool to explain these concepts while keeping my students engaged in the answers! --Sarah Hazelwood, kindergarten teacher and Harvard graduate, School of Education As a career physics educator, I have been waiting for this book for a long time! It presents some of the nuances of Newton's Laws in a fun, clear manner that will help families and their little ones make sense of the world around them. --Mary Frances Harris, physics teacher and Harvard graduate, School of Education