Properties of Stars

Open Ended

Look at this cluster of stars. What do you notice about them? How are they similar and how are they different?

Multiple Choice

The color of a star indicates that star's _____________.

• temperature

• size

• life stage

• brightness

Multiple Choice

Which stars are the hottest in temperature?

• red stars

• blue stars

• white stars

• yellow stars

Multiple Choice

Which stars are the coolest in temperature?

• red stars

• blue stars

• white stars

• yellow stars

Multiple Choice

True or False: All stars are about the same size.

• true

• false

Multiple Choice

How do we measure how bright stars appear on Earth?

• absolute magnitude (luminosity)

• apparent magnitude

Multiple Choice

If all stars were the same DISTANCE away, how would we describe their real brightness?

• absolute magnitude (luminosity)

• apparent magnitude

Multiple Choice

Most stars are in which category?

• Giants

• Super Giants

• Dwarfs

• Main Sequence

Multiple Choice

For Main Sequence Stars: Stars that are HOTTER are...

• older

• brighter

• dimmer (not as bright)

• younger

Multiple Choice

What kind of star is our Sun?

• a very bright giant star

• a yellow average main sequence star

• a dim white dwarf star

• a glowing nebula

Multiple Choice

How do stars generate electromagnetic energy?

• they are very hot so they release infrared radiation

• the force of gravity causes them to release visible light

• they undergo nuclear fusion in their cores