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Stars (Grade 9)

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Which star below blows up in a supernova explosion?
  1. low mass star
  2. medium mass star
  3. massive star
How can astronomers tell what elements a star is made of?
  1. How old the star is
  2. From the light they observe from the star
  3. By the size of the star
  4. How hot the star is
Which type of star is the Sun?
  1. black hole
  2. black dwarf
  3. main sequence
  4. red giant
What star prevents you from seeing other stars during the day, but allows you to see the glowing Moon at night?
  1. Sun
  2. Polaris
  3. North Star
  4. Earth Star
A star's color can tell you what its approximate temperature is.
  1. True
  2. False
Which statement does NOT describe the Sun?
  1. The Sun is an average size star.
  2. The Sun is about 110 times the diameter of Earth.
  3. The Sun is approximately 4.6 billion years old.
  4. The Sun has a solid surface.
Patterns of stars in the sky are called what?
  1. Conversations
  2. Elevations
  3. Constellations
  4. Conservations
Why do stars appear to move?
  1. Because the wind is blowing
  2. Because they are so far away
  3. Because of Earth's rotation
  4. Because of Newton's law of gravity
Distances to nearby stars can be determined from
  1. fluorescence.
  2. stellar parallax.
  3. stellar mass.
  4. emission nebulae.
All stars eventually run out of fuel and collapse due to gravity.
  1. True
  2. False
What is huge group of stars that are fairly close to each other in space?
  1. Universe
  2. Galaxy
  3. Planet
  4. Model
What does a Hertzsprung-Russell (H-R) diagram show?
  1. the location of stars in the sky
  2. the absolute magnitude and temperature of the stars
  3. the apparent magnitude and temperature of the stars
  4. the absolute magnitude and mass of stars
Which object has such a strong surface gravity that light cannot escape it?
  1. black hole
  2. black dwarf
  3. red giant
  4. white dwarf
A collection of stars, dust, and gas bound together by gravity are called a                .
  1. nebula
  2. quasar
  3. cluster
  4. galaxy
List three factors that control the apparent brightness of a star as seen from Earth.

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