Exploring Nature Around the Year Winter Author:David Webster Why is winter cold? Inside you'll find an experiment that can help you discover the answer for yourself, plus lots of other sunshiny activities, including how to use the sun to tell time and direction. And if you like to play with snow and ice (who doesn't?) you'll want to find out how to keep snow from melting, how to melt snow faster, and ho... more »w to make snow lights. There are also lots of bird, plant, and insect projects to keep you busy over the long, cold winter.« less