Idioms

http://www.idiomsite.com/

A Blessing in Disguise

Something good that isn't recognized at first.

A Dime a Dozen

Anything that is common and easy to get.

Back to the Drawing Board

When an attempt fails and it's time to start all over.

Bend Over Backwards

Do whatever it takes to help.  Willing to do anything.

Chip on His Shoulder

Angry today about something that occurred in the past.

Drive Someone Up a Wall

Someone or some thing is really annoying.

A Needle in a Hay Stack

Something is hard to find.

FACTS and OPINION Sites 

http://www.sciencekids.co.nz/sciencefacts.html

Websites for Students

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