What role does serotonin play in the function of the brain? a) It is a chemical inhibiting violent tendencies.
b) Serotonin does not play a role in the function of the brain.
c) It helps us calm down when we are afraid.
d) It helps us handle pain

Match each description with the correct form of energy. 1. energy of an object's position above the ground. 2. stored in the bonds of atoms and molecules 3. stored in the nucleus of an atom 4. energy of vibrating molecules 5. movement of objects used to do work 6. created by vibrations in electric and magnetic fields chemical energy mechanical energy heat gravitational energy light nuclear energy