DISCUS now has 50 and counting K-12 science lesson plans, free and available for use by science teachers. Lessons cover many different topics and all grades. All lessons have gone through our rigorous peer-review process to ensure quality. They feature a 5E format and incorporate a multitude of sheltered instruction teaching strategies. This format is ideal for effective instruction of a diverse group of students and includes elements that make science fun and interesting for everyone. Search lessons to see if there is something you can use. Build your own lessons and share your ideas with others. Thanks to all of the teachers who have contributed to DISCUS thus far. We look forward to more great things to come!