
A wrench is used for turning nuts and bolts. This one is an adjustable wrench.
A saw is used for cutting wood or metal. This one is a cross-cut saw.

A plane is used for making wood smooth or smaller. This one is a block plane.

Pliers are used for gripping things. These are bull-nosed pliers.

An awl is used for making holes, or to help you mark the spot where you want to put a nail. This is a scratch awl.

Sandpaper is used to smooth rough surfaces. It comes in a variety of grits (the size of the abrading material embedded in the paper).

A screwdriver is used for turning screws. This is a slotted screwdriver.

A drill is used for making deep holes. This one is a cordless electric drill.

A hammer is used for pounding and removing nails. This is a claw hammer.

A level is used for keeping angles and edges straight. This one is a spirit level.
All images from Wikipedia.