This is a perfect 45-minute NO PREP introductory scaffold, review, Independent Work Packet or sub plan for NGSS MS-PS4-1, NGSS MS-PS4-2, NGSS MS-PS4-3 Waves and Electromagnetic RadiationWhat students do:Students use the PowerPoint/Google Slideshow to help them fill in and answer the 4 slide Interactive Worksheet or hard copy.Includes Spanish Support for ELL/ESL/Newcomers!You can do this lesson all online, hard copies, or a combination of both. This resource includes the following:Google Ready i