Characteristics Of Stars Question Preview (ID: 34147)


Review Questions From Our Stars Unit Of Study. TEACHERS: click here for quick copy question ID numbers.

Stars are glowing spheres of hot...
a) Gas
b) Dust
c) Metal
d) Liquid

On a clear night, about how many stars can we see?
a) 3,000,000
b) 300
c) 3,000
d) 30,000

Which of the following is NOT a reason stars are important?
a) Telling time/seasons
b) Ocean tides
c) Energy
d) Navigation

How fast does light travel?
a) 100 miles per hour
b) 1,000,000 miles per hour
c) 500,000 miles per second
d) 186,000 miles per second

What is a light-year?
a) How long it takes light to travel 1 mile
b) How far light travels in 1 second
c) How far light travels in 1 year
d) How long it takes light to get to us from the sun

An astronomical unit is equal to how many miles?
a) 93 Million
b) 930 Million
c) 9 Million
d) 9 Thousand

Most stars are made up mostly of which two gasses?
a) Oxygen and Nitrogen
b) Nitrogen and Helium
c) Hydrogen and Helium
d) Carbon Dioxide and Hydrogen

Hydrogen atoms combine to make helium in what process?
a) Supernova
b) Nuclear Fusion
c) Black Hole
d) Nuclear Fission

Based on size...the sun is a _________ star
a) Medium
b) Dwarf
c) Giant
d) Supergiant

Compare the star Betelgeuse and our Sun
a) Betelgeuse is much smaller than our sun
b) Betelgeuse is much larger than our sun
c) They are about the same size
d)

Which type of star is about the size of Earth?
a) Giant
b) Supergiant
c) Neutron Star
d) White Dwarf

What is the smallest type of star?
a) Neutron Star
b) Giant
c) Dwarf
d) Black Hole

What color are the hottest stars?
a) White
b) Blue
c) Red
d) Orange

What color are the coldest stars?
a) Red
b) Yellow
c) White
d) Orange

What is the correct order of color from hottest stars to coldest?
a) Red, White, Yellow, Blue, Orange
b) Blue, Yellow, White, Red, Orange
c) Blue, White, Yellow, Orange, Red
d) White, Yellow, Orange, Red, Blue

The brightness of a star depends on all of these EXCEPT...
a) Size
b) Distance
c) Temperature
d) Amount of oxygen

Apparent magnitude is what?
a) How bright a star looks from Earth
b) How bright a star actually is
c)
d)

Absolute magnitude is what?
a) How bright a star looks from Earth
b) How bright a star actually is
c)
d)

The H-R in the H-R diagram stands for what?
a) Hertzsprung-Russell
b) Harris-Richards
c) Hoover-Reynolds
d)

More than 90% of all stars fall into what band on the HR Diagram?
a) Dwarfs
b) Main Sequence
c) Giants
d) Supergiants

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