Download or read book I Used to Know That written by Marianne Taylor and published by Michael O'Mara Books. This book was released on 2012-03-18 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt: Take a look at all the sciences: biology, for example the human body, cell biology and genetics; chemistry, including the periodic table, fuels and pollution, metals and alloys; and physics, such as the laws of energy and electricity, forces and the universe, waves, radiation and space. I Used To Know That: General Science is an easy and accessible trip down memory lane, helping you remember all those useful things from school which you have now forgotten.