Elizabeth SherwoodElizabeth Sherwood, Ed.D., is a regular contributor to the science section of Children and Families, a quarterly magazine for teachers published by the National Head Start Association. She has worked with both teachers and young children in a varietyof early childhood settings, including early childhood special education, childcare, and state-funded pre-kindergarten. Robert Williams is the author of numerous books and articles addressing early childhood science and environmental education. He is in demand as a speaker and has traveled and conducted workshops throughout the United States, Asia, Europe, and Australia. He has also been a frequent guest on radio and television programs where he discusses science and environmental issues. Robert Rockwell is the author of numerous books and articles addressing early childhood topics, including science education, language and literacy, fitness and nutrition, and parent involvement. He has conducted workshops throughout the United States, Europe, and Australia. He has been a frequent guest on radio and television programs advocating for young children and their caregivers. Read More Read Less