At this time, it's not possible to Animate Scenes with SketchUp for Web. SketchUp can animate scenes of a 3D model. Animations are a great way to show off your model from different angles or share shadow studies. For example, say you create a scene with a morning shadow, another scene with a noon shadow, and a third with an evening shadow. With SketchUp’s animation feature, you can watch the shadow transition from morning to evening.
In SketchUp, making a scene doesn't bother anybody. In fact, scenes help you save different model views and properties and then present those views to other people. Each scene you create appears as a tab at the top of the modeling window and you can manage your scenes using the Scenes panel, as shown in the figure below. Here are a few ways you might use scenes: