Space Science

Answer five source-reviewed questions and use feedback to correct missed answers.

Practice locally

Choose one answer for each locally stored question. Your result stays in this page and is not sent upstream.

1. Stars consist mainly of hydrogen and which other gas? Helium Oxygen Argon Nitrogen

2. How many moons does the Earth have? 1 0 2 3

3. Which is the most abundant element in the universe? Hydrogen Helium Lithium Oxygen

4. What is the hottest planet in the solar system Venus Jupiter Mercury Mars

5. How many planets are there in the Solar System? 8 9 11 10

earth, plant

Questions adapted from Open Trivia Database contributors.

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