Life Cycle of Stars Quiz

Drag the items to their correct location on​ the diagram of the life cycle of a low-mass star.

​ ​ ​ ​

a

b

c

d

e

Main Sequence

Red Giant

White Dwarf

Nebula/Protostar

Planetary Nebula

A region of thinly spread gas and dust is a

• Core

• Interstellar medium

• Supernova

Inside a nebula are regions where gravity pulls together gas and dust into a

• Protostar

• Nebula

• Main Sequence

________ is reached when the battle between gravity and gas pressure is equal.

• Scale

• Unequal

• Equilibrium

A star is born when nuclear ________ begins.

• Measuring

• Heating

• Fusion

An extremely hot ball of gas with hydrogen fusing into helium is a _________.

• Planet

• Star

• Balance

Stars spend most of their life in the ______ ______ phase.

• Main Sequence

• Red Giant

• Nebula

• Supernova

The _____ of a star determines what happens when it leaves Main Sequence.

• Mass

• Gravity

• Density

• Distance

Our Sun is in this phase.

• Main Sequence

• Red Giant

• Supernova

The next phase our Sun will go to is ______ ______.

• Red Giant

• Supernova

• Black Hole

• Neutron Star