Tap Use the or Step 1-Click on the link and watch the video prepared by us that shows some of the solutions that you and your classmates came up with to solve the problems you were facing relating to sound or light, some technologies that use sound or light that you learned about, plus some inventions that we use in our lives. Step 2-Do the "Sorting Activity". Use the template and sort all the solutions and/or technologies into the assigned groups. (follow the given examples) Step 3-Pick 2 solutions, technologies, or inventions and explain what led the inventors, scientists, or your classmates to come up with these inventions/solutions. Use the second page on the template to answer the question in complete sentences.