Smelt an iron ingot.

Turn wheat into bread.

Construct a better pickaxe.

Catch and cook a fish!

Cook and eat a pork chop.

Deal nine hearts of damage in a single hit.

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

Attack and destroy a monster.

Use a Dried Kelp block as fuel in a furnace.

Throw diamonds at another player.

Open your inventory.

Push a piston with a piston, then pull the original piston with that piston. [Bedrock Only]