This is a complete video lesson that simply needs to be played. Students will create graphs of various lake perimeters in Southern California. The lesson can be customized to use local lakes with supplemental material included in lesson. The lesson requires internet access. This lesson takes approximately 2 class periods or 1.5 hours to complete. The lesson will be periodically updated when google earth or google sheets change due to updates.WHAT IS INCLUDED?The video is embedded for playback ON