Cook and eat a pork chop.

Craft and place a Flower Pot.

Construct an Enchantment Table.

Brew a potion.

Construct a Dispenser.

Use a saddle to ride a pig, then have the pig get hurt from fall damage while riding it.

Deal nine hearts of damage in a single hit.

Teleport over 100 meters from a single throw of an Ender Pearl.

Bake a cake using wheat, sugar, milk and eggs!

Turn wheat into bread.

Smelt an iron ingot.

Construct one type of each tool (one pickaxe, one spade, one axe and one hoe).

Use planks and sticks to make a pickaxe.