Question 1 of 5
Which object is the star at the center of our solar system?
Answer & explanation
The Sun
The Sun is the star at the center of our solar system; planets, including Earth, orbit it.
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Earth, Space & Environment
From the Sun at the center of our solar system to the crust beneath our feet, there is a lot to discover. Take a five-question journey through familiar space and Earth science ideas.
0 of 5 answeredYour first question is ready.
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Question 2 of 5
How many planets are in our solar system?
Answer & explanation
8
Our solar system has eight planets; Pluto is classified as a dwarf planet rather than a ninth planet.
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Question 3 of 5
What is Earth’s natural satellite called?
Answer & explanation
The Moon
The Moon is Earth’s natural satellite: gravity keeps it orbiting Earth rather than the Sun independently.
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Question 4 of 5
Which planet is the largest in our solar system?
Answer & explanation
Jupiter
Jupiter is the largest planet in our solar system, much larger than the rocky inner planets.
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Question 5 of 5
Which major Earth layer forms the thin, outer solid shell?
Answer & explanation
Crust
The crust is Earth’s outermost major layer and is thin compared with the mantle beneath it.
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A small beginning. A whole world to explore.
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What you can learn from this quiz
- The Sun and the planets of our solar system
- Earth’s natural satellite
- Earth’s thin outer solid layer
A way to learn more from each answer
Pause to identify the scale of each question: a star, a planet, a satellite or part of Earth itself. After answering, sketch a simple diagram and label the object or layer you just explored.
Explore Earth and space in the learning guide →Before you move on
Choose a question that surprised you. Explain the answer in your own words and open its source link if you want to explore further. You can try again; the score reflects this short quiz, not your mastery of the whole category.
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