Video 2 discusses the foundation concept in Experimental Design of Discovery Science and Inquiry:
If you are at all interested in the GEMS resources they can be found here:
Note: This is just a personal endorsement, I am in no way compensated for this opinion 🙂
at 5:05 pm
Loved it and looking forward to hearing the next one.
at 9:50 pm
Nice! I remember the PB&J experiment too!