When?: Experiments for the Young Scientist By Wood, Robert W. and Hoeft, Steve (ILT) Books / Paperback Books › Juvenile Nonfiction › General ISBN: 0070516405 / Publisher: McGRAW-HILL, July 1994 Price Starting at $17.99 Free Shipping Send to a friend Add to Wishlist Description Suggests thirty-eight experiments that answer such questions as: When does fog form?, When do leaves... Read More Suggests thirty-eight experiments that answer such questions as: When does fog form?, When do leaves fall?, and When does light bend? Read Less Below is a list of products arranged by condition. Select the quantity of the product you desire and click the "Add" button. Used - Good Good condition. A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. $17.99 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store. Reviews Goodreads reviews for When?: Experiments for the Young Scientist