Complete the self-check worksheet. Review the worksheet with the class and teacher after they are finished. Imagine you are sitting in a rowboat in the middle of a lake. A motorboat passes by, making waves that hit your boat. Waves can often be seen moving across fields of wheat.
Earthquakes cause waves to travel through the earth.
The boat begins to move up and down, as the waves begin to pass, and the boat stays in about the same place and direction. The shock waves or seismic waves start deep underground, at the focus of the pressure between the plates. Tell the students we are finished for today. Ask a volunteer to give a brief summary of what we discussed on today. Explain what we are going to cover on tomorrow.