A picture is worth a thousand words [2], right? Maybe that's why I have trouble ordering from a menu without a picture of the dish. And that's why I like "visual" books for learning. One of the latest is Help Your Kids with Science: a Unique Step-by-step Visual Guide [3]. Check it out whether it's for your kids or for your own science refresher.
Links:
[1] http://www.hcpl.net/users/angel-hill
[2] http://en.wikipedia.org/wiki/A_picture_is_worth_a_thousand_words
[3] http://catalog.hcpl.net/ipac20/ipac.jsp?menu=search&aspect=subtab13&term=help%20kids%20science%20unique%20visual%20guide&index=.GH#focus
[4] http://www.hcpl.net/taxonomy/term/34
[5] http://www.hcpl.net/category/tags/parenting
[6] http://www.hcpl.net/category/tags/science