Who Even Uses Chalkboards Anymore?

Favorite
all the things,chalkboard,classroom,outdated
- -

Measure ALL The Chemicals!

Favorite
all the things,doodle,drawing,meme,teaching
- -

Each and Every Element

Favorite
all the things,science,Chemistry
- -

Lower ALL The Expectations!

Favorite
all the things,FAIL,Hall of Fame,hyperbole and a half,semester,straight-as
- -