Click on the Preview Model in Google Earth button () to view your SketchUp models in Google Earth. Google Earth is launched. SketchUp creates a temporary file of your model and places the model in Google Earth at the proper location.
Preview Model: Previewing a model in Google Earth
To preview your model in Google Earth:
Use the Share Model button () to save your model to the 3D Warehouse and submit it for inclusion in the Google Earth 3D Buildings Layer.