Quiz

Question 1

Nebula [NEB-yoo-luh]

Answer 1

a massive cloud of interstellar gas and dust; the beginning of a star

Question 2

Protostar

Answer 2

a bunch of gas and dust comprssed/compacted so much that they begin to effect eachother, therefore heating the center of the cluster of gas and dust. This happens after nebula collapses.

Question 3

Hydrogen

Answer 3

Gas. The lightest element in the periodic table.

Question 4

Nuclear Fusion

Answer 4

when hydrogen and other elements fuse to make helium

Question 5

Gravity

Answer 5

Gravity is the force of attraction btween two masses/bodies. The more massive an object is, the stronger its gravitational pull.

Question 6

white dwarf

Answer 6

a small very dense star that is typically the size of a planet. formed when a low-mass star has exhausted all its central nuclear fuel and lost its outer layers as a planetary nebula.

Question 7

Life Cycle of a Star

Answer 7

See picture