Per
blog.scoutingmagazine.org/2020/03/20/merit-badges-for-social-distancing/ (21Mar20):
Merit badges for social distancing: the list
Bird Study
Chemistry
Chess
Citizenship in the World
Collections
Composite Materials
Cooking
Digital Technology
Drafting
Electricity
Electronics
Energy
Engineering
Environmental Science
Family Life
Fingerprinting
First Aid
Game Design
Genealogy
Graphic Arts
Home Repairs
Indian Lore (Not listed in original list)
Leatherwork
Mammal Study
Metalwork
Mining in Society
Model Design and Building
Moviemaking
Music
Nature (Not listed in original list)
Nuclear Science
Oceanography
Painting
Photography
Plant Science
Plumbing
Pottery
Programming
Pulp and Paper
Railroading
Robotics
Resources:
Scouting.org Merit Badges - Requirements
boyscouttrail.com Merit Badges
usscouts.org Worksheets
Troop 109 Merit Badge Library