At the end of each level you can test your typing speed and get a fun reward. In this level you will begin by learning to touch type the keys on the home row as well as letters e, i, r and u.

Traditionally, blood typing requires forward typing, in which antibodies found in type A and type B blood are added to a blood sample to test for reactivity, followed by reverse typing, in which serum ...

Test your knowledge of the U.S. Constitution. Play iCivics’ Branches of Power and Do I Have a Right? games, and take the citizenship quiz to find out if you could pass a U.S. citizenship test.