9th Grade History Of Astronomy Quizzes, Questions & Answers

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History Of Astronomy Quizzes By Grade

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This Quiz On Astronomy Is Only For Geniuses

Throughout history, scientific geniuses from Galileo to Newton have often believed in completely fantastical things from astrology to alchemy to straight-up magic. Do you think that you are a genius when it comes to...

Questions: 52 | Attempts: 505 | Last updated: Sep 6, 2025

Sample Question 1
Suppose we imagine the Sun to be about the size of a grapefruit. How big an area would the orbits of the nine planets of the Solar System cover?

The size of a typical dorm room

The size of a typical campus building

The size of a typical campus

The size of a small city

The size of a western state (e.g.,Colorado)

Sample Question 2
Earth is made mostly of metals and rocks. Where did this material come from?

It was produced in the Big Bang.

It was created by chemical reactions in interstellar space.

It was produced by nuclear fusion in stars.

It was made by our Sun.

It was made by nuclear fission of uranium and other radioactive materials.

Sample Question 3
What is nuclear fusion?

An explosion caused by putting together two volatile chemicals

The process of splitting nuclei to produce energy

The process of turning matter into pure energy

The process of combining lightweight nuclei to make heavier nuclei

A process that only occurs in bombs