This checkoff list could be used by a scribe to keep track of which Scouts have earned which merit badges or could be used by an individual Scout.
Chemistry Merit Badge
Chemistry explores how substances react with each other, how they change, how certain forces connect molecules, and how molecules are made are all parts of chemistry. Stretch your imagination to envision molecules that cannot be seen - but can be proven to exist - and you become a chemist.
Printable helps for requirements:
Having a science themed meeting with your Scouts? Instead of a craft, make up a batch of silly putty. This stuff is stretchy and fun to play with.
A reader asks about how old a Scout should be to work on a merit badge. The Guide to Advancement provides some answers.