Life Cycle of Stars Review

Stars create their own energy through fusing two hydrogen atoms to create helium.

• True

• False

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

The main sequence contains about 75% of all stars.

• True
• False

Black holes have no volume and infinite density.

• True
• False

The size and composition of a star have no effect on the amount of gravity and energy it emits.

• True
• False

The intensity, or brightness, of light from a celestial body that can be used to identify the body's characteristics.

• Luminosity

• Star

• Temperature

• Planetary Nebula

A cloud of interstellar gas and dust created by a dying, average-sized star

• Luminosity

• Star

• Temperature

• Planetary Nebula

A celestial body consisting of a mass of gas held together by its own gravity in which the energy is generated by nuclear reactions in its interior

• Hertsprung-Russell Diagram

• Luminoscity

• Star

• Planetary Nebula

A plot of the surface temperature of stars. vs their luminosity

• Hertzsprung-Russel Diagram

• Star

• Planetary Nebula

The average kinetic energy of all the particles in a material

• Luminosity

• Temperature

The process by which a star changes hydrogen into helium, releasing energy in the form of light and heat, is called:

• Nuclear Fusion

• Gravitational Collapse

• Radioactive Decay

• Photosynthesis