Reference sources are a good place to start your research. They include dictionaries, encyclopedias, and databases.
Reference sources contain basic facts and background information. They provide reliable, accurate information, and help to answer general questions about your topic such as:
? who, ? what, ? when & ? where
Search tip: Searches three different encyclopedias: The New Book of Knowledge, Grolier Multimedia Encyclopedia & Lands and People.
To begin, select an article on your topic to read from The New Book of Knowledge and compare with the other sources.
Search tip: Search World Book Student + Kids
Find factual information on the Aztec civilization, the Indus Valley civilization and Shang China.