Stars and the Star Cycle Quiz

What is a star?

• A luminous spheroid of plasma held together by self-gravity

• A small rocky planet

• A giant ball of gas

• A cluster of asteroids

How can the composition of a star be determined?

• By its brightness

• By its distance from Earth

• By its absorption spectrum

• By its size and shape

Tags

NGSS.HS-ESS1-2

What is the color of the hottest stars?

• Yellow

• Blue

• Red

• Green

What are constellations?

• Groups of comets

• Groups of stars that look like a particular shape in the sky

• Groups of galaxies

• Groups of planets

What happens when a star runs out of hydrogen?

• It collapses under its own gravity

• It becomes a red giant

• It explodes in a supernova

• It turns into a black hole

Tags

NGSS.HS-ESS1-3

What is left behind after a supernova explosion with stars with a core of 3 solar masses?

• A black hole

• A white dwarf

• A red giant

• A neutron star

What is the closest star to Earth?

• The North Star

• Sirus

• The Sun

• There are no stars close to Earth.

What two elements are found in a star?

• Hydrogen and helium

• Hydrogen and oxygen

• Helium and nitrogen

• Hydrogen and Xenon

Tags

NGSS.HS-ESS1-3

Size and mass of a star can be determined by all EXCEPT:

• Effects on other objects.

• Temperature

• Location

• Luminosity

The coolest stars are what color?

• Blue

• Green

• Yellow

• Red