Prezi is a great alternative to using Powerpoint or other standard presentation lectures in your class. It is a cloud-based software that creates interesting, fluid, and animated presentations that will keep your students' attention. I have had great success with using these presentations in class.
If you want to see a SHORTENED, preview version of the presentation in order to get a sense of the animation, copy and paste the following link into your address bar:
This particular Prezi is a resource for teaching ACT test preparation. This presentation covers the ACT Reading, ACT English, and ACT Writing tests.