What Is a Star

Gigantic balls of hot gases that give off heat and light are the :

• stars

• moons

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

What is the Sun?

• A Planet

• A Star

• Cloud

• Moon

sun is a

• medium sized star

• small star

huge sphere of very hot, glowing gas that produces its own light.

• planet

• dwarf planet

• moon

• star

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

What is a star primarily composed of?

• Hydrogen and helium

• Carbon and oxygen

• Nitrogen and methane

• Iron and nickel

Tags

NGSS.HS-ESS1-3

Which process powers a star and allows it to emit light and heat?

• Nuclear fusion

• Nuclear fission

• Chemical combustion

• Magnetic resonance

Tags

NGSS.HS-ESS1-1

What is the lifecycle stage of a star like the Sun after it exhausts its nuclear fuel?

• Red giant

• White dwarf

• Black hole

• Neutron star

Which of the following best describes a star's brightness as seen from Earth?

• Apparent magnitude

• Absolute magnitude

• Luminosity

• Spectral type

What is the term for a star that suddenly increases in brightness and then fades?

• Nova

• Supernova

• Pulsar

• Quasar

Which type of star is the hottest based on its color?

• Blue star

• Red star

• Yellow star

• White star