How do you make a simple redstone switch?

To make a simple redstone switch in minecraft, you need a redstone torch, redstone dust, and a block. Place the block on the ground and attach the redstone torch to one side of it, which will power the block. Then, place redstone dust on the ground adjacent to the block to connect it. When you power the torch, it will activate the redstone dust, allowing you to control redstone circuits easily.