Formation of Our Universe

Was matter necessary for a "e;Big Bang"e; to occur?What scientific evidence is there that our universe was really formed by a Big Bang ?Are The Laws of Physcs responsible for the formation of our Universe?Can Mathematics verify the formation of our universe What is the scientific method? Why is it important? Why must it be used?What is a scientific theory? How must a scientific theory be obtained?Is life on EArth here because of Panspermia ?Was our universe created by God?Are science and religion compatible?Is life on Earth made up of Stardust ?