Solar system (Edexcel GCSE Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
How many planets are there in our solar system?
How many planets are there in our solar system?
Eight
Which of the following are examples of dwarf planets?
Which of the following are examples of dwarf planets?
Pluto and Ceres
Which planet is closest to the Sun?
Which planet is closest to the Sun?
Mercury
What are the inner planets mainly composed of?
What are the inner planets mainly composed of?
Rock
What are the outer planets primarily composed of?
What are the outer planets primarily composed of?
Gas
Why do larger planets have rings?
Why do larger planets have rings?
Strong gravity attracts debris
What was at the centre of the geocentric model?
What was at the centre of the geocentric model?
Earth
What is Mars' retrograde motion evidence for?
What is Mars' retrograde motion evidence for?
Heliocentric model
Why does Mars appear to move backwards in the sky?
Why does Mars appear to move backwards in the sky?
Earth orbits the Sun faster than Mars
What did Galileo observe orbiting Jupiter?
What did Galileo observe orbiting Jupiter?
Moons
What shape did Kepler show planetary orbits to be?
What shape did Kepler show planetary orbits to be?
Ellipses
What happens to orbital speed if a planet moves closer to the Sun?
What happens to orbital speed if a planet moves closer to the Sun?
It increases