chemistry
Batteries come under Chemistry, which is a subset of Physics.
Mathematics is a branch of science in its own right.
Dynamite is pretty commonly known.
This branch is termed forensic science.
Biology IS a branch of science.
Ethics is a branch of philosophy, not a branch of science (although scientists can still strive to be ethical).
it is excatly not the branch of earth science, but lots of concept used in earth science are of physics.
Natural science.
Biology.
lif science
Political Science
behavioral science