The most popular site for searching the Internet, Google also allows quick searches for things other than Web sites: images, maps, videos and more. Google's free email program, Gmail, is very popular as well.
Bing is Microsoft's search engine that debuted in 2009.
Type in a general phrase like "planting tomatoes," and Ask.com provides the usual links to Web sites, but also automatically gives alternatives down the side of its page offering to expand your search ("Secret of growing tomatoes") or narrow it ("Planting tomatoes in containers").
Metacrawler claims to collect the "best results from the combined pool of the world's leading search engines," including Google, Yahoo, Ask, Bing, and others, together in one place.
These are by no means all of the search engines available for the Internet, but these will meet the needs of most users.
Children doing Internet searches would do better to use sites which are designed specifically for them. These may be found in the Children's section of the Glendora Public Library Web site, here.