Space and the Origin of the Universe (Junior Cert Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What is astronomy?
What is astronomy?
Study of universe beyond Earth
What process produces light and heat in stars?
What process produces light and heat in stars?
Nuclear fusion
How many criteria must an object meet to be classified as a planet?
How many criteria must an object meet to be classified as a planet?
Three
Why is Pluto classified as a dwarf planet?
Why is Pluto classified as a dwarf planet?
It hasn't cleared its orbit
Which planet has the most moons?
Which planet has the most moons?
Jupiter
Which direction does a comet's tail always point?
Which direction does a comet's tail always point?
Away from the Sun
What percentage of the solar system's mass does the Sun contain?
What percentage of the solar system's mass does the Sun contain?
%
In the geocentric model, what was believed to be at the universe's centre?
In the geocentric model, what was believed to be at the universe's centre?
Earth
What is gravity often called in the universe?
What is gravity often called in the universe?
The glue
How long ago did the universe begin according to the Big Bang theory?
How long ago did the universe begin according to the Big Bang theory?
billion years