To address NGSS 4-PS4-3, students explore simple ways that people use patterns to transfer information. Additionally, they learn ways that we use sound, light, radio, microwave, seismic, and water waves. Open the preview to take a closer look at the unit. You can view and download the lesson plans. They can be found in the right-hand column of this page. 5E Lesson CycleEngage:Choose an instructional signal you’ve used such as turning off the lights or clapping to get kids’ attention. Explain t