Astronomy Quiz

What is the primary energy source of the Sun?

• Chemical reactions

• Nuclear fusion

• Gravitational contraction

• Solar wind

Tags

NGSS.HS-ESS1-1

What are "Cosmic Cradles" commonly known as?

• Black holes

• Galaxies

• Nebulae

• Comets

What is the real process that powers the Sun?

• Nuclear Fission

• Chemical Reactions

• Nuclear Fusion

• Gravitational Pull

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Which of the following is a key property used to classify stars?

• Color

• Mass

• Distance

• Age

How is luminosity different from apparent brightness in star classification?

• Luminosity is the star's color, while apparent brightness is its size.

• Luminosity is the star's actual brightness, while apparent brightness is how bright it appears from Earth.

• Luminosity is the star's distance, while apparent brightness is its temperature.

• Luminosity is the star's age, while apparent brightness is its mass.

Tags

NGSS.5-ESS1-1

What is a nebula primarily composed of?

• Gas and dust cloud

• Solid rock

• Liquid water

• Plasma

What event can trigger the formation of a protostar?

• Earthquake

• Shockwave from a supernova or collision

• Volcanic eruption

• Solar flare

At what temperature does fusion ignition occur in a protostar?

• 5 million K

• 10 million K

• 15 million K

• 20 million K

What is the process that occurs in low-mass stars to create helium?

• Hydrogen fusion

• Carbon fusion

• Iron fusion

• Oxygen fusion

Tags

NGSS.HS-ESS1-3

In high-mass stars, up to which element does layered fusion occur?

• Helium

• Carbon

• Iron

• Oxygen

Tags

NGSS.HS-ESS1-3

NGSS.HS-PS1-8