Why can't I stand on a cloud? Why can't I hold water in my hands? New in paperback, this lively series explains the basic principles of science in a new and thought-provoking way. The Why Can't I...? series looks at the questions that children want to ask, and answers them using clear and simple explanations and fun, eye-catching photographs. * Practical science - the things that children really wonder about. * A striking and unusual photographic approach brings the scientific explanations to life and captures the child's imagination. * Additional notes for parents and teachers are included to support the child's learning. * Contains a table of contents, index, and a glossary.