Scioly.org

Several years ago, operationally defining the independent variable was necessary for ExpD. It's not mentioned in the rubric anymore, so do we still have to do that?

Probably because the 2023 Tree List is based on the taxonomy of the Audubon Field Guide. They're also a sponsor of Science Olympiad, so coaches and administrators are inclined to mention them more often. As a field guide, it's not bad (includes all of the trees with the exception of the legume ...

What does it mean when it says "Garnet and Tourmaline varieties should be identified at the group level, except for Almandine"? When we see almandine, we call it almandine, but when we say willemite or zircon we only write "tourmaline" down?