Click on the Google icon: 
Click on the "UIowa InfoLink:Full Text" link next to each citation in your results list for InfoLink services including full text (when available), links to the InfoHawk Catalog, Interlibrary Loan requests and more.
Be sure to check the University Libraries Electronic Journals, Electronic Books and the InfoHawk Library Catalog before pulling out your credit card to pay for things you find in Google Scholar.
Google Scholar FAQ
What is Google Scholar?
Google Scholar provides a simple way to broadly search for scholarly literature. From one place, you can search across many disciplines and sources: peer-reviewed papers, theses, books, abstracts and articles, from academic publishers, professional societies, preprint repositories, universities and other scholarly organizations. Google Scholar helps you identify the most relevant research across the world of scholarly research. [From: What is Google Scholar?]
Why use Google Scholar through the library?
The Library subscribes to many of the journals articles that are linked from Google Scholar. When you click on the UIowa InfoLink:Full Text link you will be presented with the familiar InfoLink window.
Why do I need my HawkID to search Google Scholar?
Your HawkID is required for off-campus access. This will enable you to access the full-text journals which the University Libraries subscribes.
How do I search Google Scholar?
Google Scholar provides Basic and Advanced Search Tips.