ThaumcraftResearch

Now, scan these items and blocks in order:
Torch --> Lux
Coal, Coal Ore --> Potenia
Grass Block --> Herba
Trapdoor --> Motus & Arbor
Chest, Bowl --> Vacuos
Glass Block --> Vitreus
Potion of weakness --> Mortuus & Praecantatio
or alternatively:
Research: (Victus + Perditio) --> Mortuus
Any Shard, Mossy Cobble, Chiseled Sandst. --> Praecantatio
Chicken --> Volatus & Bestia
Soul Sand --> Spiritus & Vinculum
or if you not have been to the nether yet:
Skeleton Skull, Zombie Head --> Spiritus
Amber --> Vinculum
Paper --> Cognito
Rotten Flesh --> Humanus & Corpus
Wheat, Bread, Apple, Carrot, Potato --> Fames & Messis
Flint --> Instrumentum
Obsidian --> Tenebrae

And then you can scan the rest (no particular order necessary):
Any one block tall vanilla Flower --> Sensus
Wool --> Fabrico & Pannus
Spider Eye --> Venenum (and also Sensus)
Snow, Ice --> Gelum
Milk Bucket --> Sano
Any Hoe --> Meto
Any Pickaxe --> Perfodio
Arrow --> Telum
Leather, any Armor --> Tutamen
Hopper, Cinnabar Ore(has also Venenum) --> Permutatio
Fence Gate --> Machina & Iter
Iron Ingot, Iron Ore --> Metallum
Gold --> Lucrum
Zombie, Skellington --> Exanimis
Ender Pearl, Blaze , Obsidian Totem --> Alienis
Slimeball --> Limus
Tainted Goo --> Vitium (and also Limus)
Ethereal Essence (any Aspect) --> Auram