Use a Grindstone to get experience from an enchanted item.

Construct an Enchantment Table.

Smelt wood trunks using charcoal to make more charcoal.

Enter an End Portal.

Build some bookshelves to improve your enchantment table.

Craft a Banner using an Enchanted Apple.

Construct a Dispenser.

Gather all 16 colours of wool.

Craft and place a Flower Pot.

Use Shears to obtain wool from a sheep.

Attack and destroy a monster.

Acquire 30 Emeralds by trading with villagers or mining.

Use planks and sticks to make a sword.