The process that fuels a star is BEST described as A)
helium molecules being burned by fire.
B)
fusion of helium molecules to form hydrogen.
C)fission of helium molecules to form hydrogen.
D)
hydrogen molecules being forced together by gravity.

Match the term to its description match term definition chemical energy a) internal energy caused by vibrations of atoms and molecules electrical energy b) electromagnetic energy that travels in waves radiant energy c) the movement of an electrical charge thermal energy d) potential energy stored in the bonds between atoms