All 16 words, sorted alphabetically. Group them into four categories of four.
The four category names, easiest to hardest. No words revealed yet.
Theme name plus one word from each category.
BOMBSHELL, REVELATION, SHOCKER, and THUNDERBOLT are all terms used to describe a stunning or shocking piece of news.
ATOM, DNA, SOLAR SYSTEM, and VOLCANO are all quintessential subjects for science fair projects, often built as models or demonstrations.
EARTHQUAKE PILLS, IRON BIRD SEED, ROCKET SKATES, and TNT are all ACME brand products used by Wile E. Coyote in his perpetually failing attempts to catch the Road Runner.
BUMBLEBEE starts with BUMBLE, GRIND RAIL starts with GRINDR, MATCHA starts with MATCH, and TINDERBOX starts with TINDER — all popular dating apps.