Solar System ChallengeOnline version Test your knowledge about our solar system with this fun quiz! by Paxton Julius 1 What is the largest planet in our solar system? a B) Jupiter b A) Earth c D) Saturn d C) Mars 2 Which planet is known as the 'Red Planet'? a D) Jupiter b B) Mars c C) Mercury d A) Venus 3 What is the main source of energy for the Earth? a C) Stars b B) The Sun c D) Other planets d A) The Moon 4 How many planets are in our solar system? a D) 10 b A) 7 c C) 9 d B) 8 5 Which planet is closest to the Sun? a A) Venus b B) Earth c C) Mercury d D) Mars 6 Which planet has the most moons? a B) Jupiter b C) Earth c A) Saturn d D) Mars 7 What is the hottest planet in our solar system? a C) Mars b B) Mercury c D) Jupiter d A) Venus 8 Which planet is known for its rings? a D) Saturn b C) Neptune c A) Jupiter d B) Mars 9 Which planet has a day longer than its year? a D) Jupiter b C) Mars c A) Venus d B) Earth 10 Which planet is known for its Great Red Spot? a B) Jupiter b A) Saturn c D) Venus d C) Mars
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