What's the difference between science and science methods?

Science is related only to sense-experience, and reason based on the former. It is an accumulation of systematic and verifiable knowledge

Explanation:

The scientific method is one and the same in all branches of knowledge. The unity of science, according to him, consists in its method, not in its material alone.

the molecules move in straight line until they collide with each other or with the walls of the container. collisions are perfectly elastic; when two molecules collide, they change their directions and kinetic energies, but the total kinetic energy is conserved.

explanation:

beta decay is the answer