Life Cycles of Stars (Grade K-8) - Page 16

Solutions

Gravity pulls hydrogen gas together to form a cloud. (4)
Nuclear fusion occurs which causes the star to glow. (2)
A main sequence star, which can live for millions or even billions of years, forms. (7)
A red giant forms when the star's hydrogen level drops. (6)
Iron, which acts as an energy sponge, forms within the star. (5)
A supernova occurs. (1)
If it is a massive star, a neutron star forms. If it is a super massive star, a black hole forms. (3)