Star Life Cycle

What process transforms hydrogen into helium inside stars?

• Electrolysis

• Condensation

• Nuclear fusion

• Photosynthesis

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What element marks the end of fusion in a star's lifecycle?

• Lead

• Gold

• Iron

• Uranium

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Which type of galaxy is the Milky Way classified as?

• Spiral

• Elliptical

• Lenticular

• Irregular

Tags

NGSS.MS-ESS1-2

What is the primary component of the Sun's core?

• Helium

• Oxygen

• Hydrogen

• Carbon

Tags

NGSS.HS-ESS1-1

This determines everything about a star through its entire life.

• initial color

• initial temperature

• initial mass

• initial location

Tags

NGSS.HS-ESS1-1

Stars are born in clouds of gas and dust called...

• Planetary nebulae

• Stellar (or star-forming) nebulae

• Supernovae

• Black holes

Stars are born in clouds of gas and dust called...

• Planetary nebulae

• Stellar (or star-forming) nebulae

• Supernovae

• Black holes

The force that pulls a stellar nebula together.

• Strong nuclear force

• Nuclear fission

• Nuclear fusion

• Gravity

The adult phase of the star life cycle, where stars spend most of their time.

• Main sequence

• Red giant

• Planetary nebula

• Stellar nebula

Tags

NGSS.HS-ESS1-1

Main sequence stars give off heat and light because they are powered by _____ reactions.

• Oxidation-reduction

• Acid-base

• Nuclear fusion

• Nuclear fission

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

NGSS.HS-PS1-8