See best scores   Do you know your astronomy?

Quizz "Biology, Life sciences" - 13 questions
total = 20 player(s)

Question 1 / 13
select 1 answer only
How old is the earth approximately?

  4.5 million years
  4.5 billion years
  56 million years
  22 billion years
  I don't know
  None of the above






























































Question 2 / 13
select 1 answer only
When a star explodes, it is called a...

  Black hole
  Supernovae
  Star explosion
  Quasar
  I don't know
  None of the above






























































Question 3 / 13
select 1 answer only
What causes a star to explode?

  It gets old
  It gets too big
  Gravity builds up
  Iron gets into its core
  None of the above
  I don't know






























































Question 4 / 13
select 1 answer only
The outer part of a black hole is called the...

  Event horizon
  Black ring
  Quasar
  Stretch horizon
  I don't know
  None of the above






























































Question 5 / 13
select 1 answer only
A quasar is a(n)

  Massive star
  The sun shoots out an abnormal amount of radiation (solar flare)
  An incredible explosion of pure energy caused by a black hole
  When two galaxies collide, causing everything to get shot into space
  I don't know
  None of the above






























































Question 6 / 13
select 1 answer only
True or false: the hottest stars are Red

  False
  True






























































Question 7 / 13
select 1 answer only
There is a planet whose day is longer than its year

  False
  True






























































Question 8 / 13
select 1 answer only
Evidence shows that ______ could be in tge center if our galaxy

  Cloud of toxic gases
  Huge planet
  Nothing- the center is no different from the outside
  The remains of a star that exploded
  I don't know
  None of the above






























































Question 9 / 13
select 1 answer only
What does "dark matter" act like? *BASED ON THEORY WITH EVIDENCE

  Energy
  Fire
  Gravity
  No such thing
  I don't know
  None of the above






























































Question 10 / 13
select 1 answer only
There is water in the moon

  True
  False






























































Question 11 / 13
select 1 answer only
The sun is a big star

  True
  FalsE






























































Question 12 / 13
select 1 answer only
A "gas giant" is a type of...

  Star
  Galaxy
  Black hole
  Planet
  I don't know
  None of the above






























































Question 13 / 13
select 1 answer only
How will our galaxy be destroyed?

  All of its stars will explode
  Gravity will stop holding it together and it will spread out
  It will collide with another galaxy
  We don't know how
  I don't know
  None of the above































































.
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Auteur : Mia (United States)

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