Solar system (Edexcel GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
How many stars are in our solar system?
How many stars are in our solar system?
One
What does heliocentric mean?
What does heliocentric mean?
Sun at the center
Which two dwarf planets are mentioned as orbiting the Sun?
Which two dwarf planets are mentioned as orbiting the Sun?
Pluto and Ceres
Which is the correct order of the first four planets from the Sun?
Which is the correct order of the first four planets from the Sun?
Mercury, Venus, Earth, Mars
What are the inner planets mainly composed of?
What are the inner planets mainly composed of?
Rock
What are the outer planets mainly composed of?
What are the outer planets mainly composed of?
Gas
Why do larger planets have rings?
Why do larger planets have rings?
Strong gravitational fields attract debris
In the geocentric model, what was believed to be at the center?
In the geocentric model, what was believed to be at the center?
Earth
When was the heliocentric model developed relative to the geocentric model?
When was the heliocentric model developed relative to the geocentric model?
About 600 years later
Why does Mars appear to have retrograde motion?
Why does Mars appear to have retrograde motion?
Earth orbits the Sun faster than Mars
What did Galileo observe orbiting Jupiter?
What did Galileo observe orbiting Jupiter?
Moons
What happens to orbital speed when a planet moves closer to the Sun?
What happens to orbital speed when a planet moves closer to the Sun?
It must increase