Sneak next to a Sculk Sensor without triggering it

Use a Grindstone to get experience from an enchanted item.

Build some bookshelves to improve your enchantment table.

Collect any fish in a bucket.

Brew a potion.

Tame a Horse.

Relieve a Blaze of its rod.

Craft and place a sign.

Kill a creeper with arrows.

Destroy a Ghast with a fireball.

Play a music disc in a Jukebox.

Breed two cows with wheat.