Florida Science Grade 6

Section 5: Stars and Galaxies

Stars and Galaxies

1.
Which star is the closest to Earth?
A)Alpha Centauri
B)Ursa Major
C)the Sun
D)the Moon
2.
What is the temperature of a star with a blue color?
A)hot
B)cool
C)medium for a star
D)the same as the Sun
3.
The lower the apparent magnitude number is, the __________.
A)dimmer the star looks from Earth
B)brighter the star is
C)dimmer the star is
D)brighter the star looks from Earth
4.
What will be the final state of the Sun?
A)white dwarf
B)supernova
C)black hole
D)black dwarf
5.
How do stars begin?
A)when other stars become supernovae and shoot off smaller stars
B)They emerge from black holes.
C)when fusion begins in gas clouds in space
D)when white dwarfs start generating light again
6.
What are groups of stars called?
A)galaxies
B)nebulae
C)black holes
D)supernovas
7.
What unit is used to measure distance outside Earth's solar system?
A)light-year
B)astronomical unit
C)kilometer
D)miles
8.
Why do galaxies appear to move away from each other?
A)Galaxies are spinning.
B)Others move closer together.
C)The universe is expanding.
D)Stars still are being born.
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Policy before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.