Use Shears to obtain wool from a sheep.

Wear a full suit of Iron armour.

Acquire diamonds with your iron tools.

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

Smelt an iron ingot.

Cook and eat a pork chop.

Use planks and sticks to make a sword.

Harvest some leather.

Open your inventory.

Punch a tree until the block of wood pops out.

Turn wheat into bread.

Construct an Enchantment Table.

Construct a Nether Portal.