After you sign in, click on the "Tests and Prep" tab then scroll down to ACT Free online tests. 

Where it says select a test, click on the down arrow and choose CCRA practice test. Next, click on the blue science content button or the blue US history content button to practice each test.

What to expect on test day. Here is a full-length practice ACT test including writing prompt, answers, and scoring key for each test section, a breakdown of the content covered in each test section, general test-taking strategies, and ways to approach each section of the ACT.