The following books and websites contain additional information, activities, and enrichment options.

Earth Cycles

Michael Elsohn Ross, Millbrook, 2001

My Book of Space

Ian Graham, Kingfisher, 2001

Our Solar System

Seymour Simon, Morrow, 1992

Stars

Margaret J. Goldstein, Lerner, 2004

Weather and Climate: Geography Facts and Experiments

Barbara Taylor, Kingfisher, 2002

Ask an Astronomer for Kids

http://coolcosmos.ipac.caltech.edu/cosmic_kids/AskKids/index.shtml

Exploring Planets in the Classroom

http://www.spacegrant.hawaii.edu/class_acts/

National Oceanic and Atmospheric Administration

http://www.noaa.gov/sitemap.html

For additional websites, see the Best of the Net feature at www.eduplace.com/science and sites recommended by the National Science Teachers Association at www2.nsta.org/sciencesites/