Wash hands with warm water and soap.
Preheat oven to 350 degrees F.
In a skillet, combine 1 cup tomatoes, refried beans, ½ can of the corn, and chili powder. Cook over medium heat, stirring occasionally, until hot.
Spoon into 8x8 – inch baking dish. Top with remaining corn and tomatoes and sprinkle with cheese.
Bake 5 to 10 minutes, or until cheese is melted.
Serve warm with tortilla chips.