Then righclick over it and you get some choices of what to do with the info. Then I review a bit and either save or delete. There are various search methods. Some are browsers, some are spiders, or meta-tag searches. Your kids will have an easier time finding research info too.
Most libraries are on-line.
I use my local libray catalog at home. I search for books I need, put them on hold or have them put aside for me. Utilize the sites on the Internet that have already sorted through much of the sites and can help you find what you need. A nice book is Homeschool Your Child For Free. It has over 1200 sites sorted by topic.