Drag and drop the words with the descriptions.


a form of an element having the same number of protons, but having more or fewer than the usual number of neutrons


a term describing fluids at rest


the exponent to which a base must be raised to produce a given number


the total energy output per second per unit of surface area


only occurs with really hot stars


begins and ends with the same element


ends with the production of helium-4


dictates what characteristics a star shows throughout all stages of its activity
Choices
isotope
carbon cycle
hydrostatic equilibrium
hydrogen-helium process
luminosity of a star
logarithm
triple-alpha process
mass