TED-Ed has created a set of videos with complete lesson plans, quizzes, discussion and further research topics for each of the elements in the periodic table. They’re called the Ted-Ed Periodic Videos.
The online system also allows you to adapt the lessons to your own needs and re-share that. This looks like an awesome resource, well worth having in your “toolkit”.
My grade 4 son played this with me a few times, his feedback was it was too easy but fun,…
Brad