Sun and Stars Review

The apparent magnitude of a star is a measure of its ______

• actual brightness

• distance as seen from Earth

• brightness as seen from Earth

• rate of energy output

Which is NOT a characteristic of a star?

• blue stars are cooler than red stars

• stars have a limited lifespan

• some dying stars can become black holes

• star mass is related to element production

How is energy from the Sun's core transferred to the Sun's surface?

• conduction

• convection

• solar flares

• electromagnetic radiation

Dark, cooler areas on the Sun's surface are called

• sun spots

• solar flares

• coronas

• prominences

Which process releases energy that powers the Sun and other stars?

• nuclear fusion

• nuclear fission

• supernova

• plasma discharge

Tags

NGSS.HS-ESS1-1

All stars begin as a __________

• nebula

• nucleus

• main sequence

• red giant

According to the diagram, white dwarf stars are:

• high temperature high brightness

• high temperature low brightness

• low temperature high brightness

• low temperature low brightness

According to the diagram, a red giant is

• low temperature high brightness

• low temperature low brightness

• high temperature low brightness

• high temperature high brightness

Which is NOT a stage of a high-mass star's life?

• black dwarf

• red giant

• main sequence

• protostar

According to the graph, a star that is 2,800 Kelvin belongs to spectral class _____

• B

• M

• F

• G