What are stars made of?
a.gases, primarily hydrogen, then helium
b.nothing but light and energy
c.trick question- we really don't know
d.pretty much the same as earth, but with a special shell
e.they're fireflies stuck in the big blue/black thing 2. what provides the energy (and so light and heat) of a star?
a.gravitational contraction
b.lots of electricity
c.atomic energy/nuclear reactions
d.continual explosions
e.chemical reactions at the surface?