Looking for an activity on states of matter?  It could be the first introduction for Kindergarten students, or a review for the upper grades, as this SOL is touched on in all grade levels.  To create this activity, I went to United Streaming and search for states of matter for grades K-2.  You can also search by the SOL number, which is a nice feature.  Rather than downloading the entire 25 minute video, I just downloaded the segments that I needed…a video for solids, another for liquids, and one more for gasses.  After successfully downloading to my desktop, I opened up a new Pages document simply pulled the video clip into my pages document.  I re-sized the videos (just like you would a picture) to make it fit above the 3 columns.  To play the video, the students click 2 times.  To pause the video, click once.  There is a remote control under the quick time tab in the inspector (blue circle with the i) that allows you to navigate through the movie. After watching each video, the students found the pictures of items that belong in that category, and moved them to the correct box. You can make the boxes with the shape tool.  Just be sure to push the boxes to the background so that the pictures can be placed on top.