Need advice on food manners

Recently Gizmo has taken to jumping up and trying to grab food. I feed two wet food meals a day, and a little dry food before bed. Last night he jumped up and grabbed the scoop as I was lowering it over the bowl, sending cat food everywhere. I've also caught him standing up on his hind legs against a short file cabinet and trying to pull a plate of chicken down.

Any suggestions on how to stop this behavior?

Put food out of his reach. I used to have to put everything in the cold oven or in the microwave.

Well, it's less of a problem with leaving food out than it is with feeding them. He jumps and tries to grab the cat food bowls as I'm lowering them to the floor. He also managed to knock a box of cat treats out of my hand while I was sitting down passing them out.