Astronomy For Kids

Astronomy For Kids

This page has an average grade level of about 4.
It should be easily understood by 9 to 10 year olds.

Readability Indices
Flesch Kincaid Reading Ease 83.2
Flesch Kincaid Grade Level 3.6
Gunning Fog Score 5.2
SMOG Index 4.1
Coleman Liau Index 6.3
Automated Readability Index 0.2

Text Statistics
No. of sentences 10
No. of words 79
No. of complex words 4
Percent of complex words 5.06%
Average words per sentence 7.90
Average syllables per word 1.37


4.7 The student will investigate and understand the organization of the solar system. Key concepts include
a) the planets in the solar system;
b) the order of the planets in the solar system; and
c) the relative sizes of the planets.


A bare-bones website with valuable factual information about the solar system written at a level that is accessible to 4th graders.

Why this is a quality resource:

This site would be great for “research projects” and fact finding as it breaks down important facts about the solar system, planets, and other celestial objects into simple language. This was another site that I was linked to from the National Science Digital Library and I included it for its age-appropriate writing style and it’s foundational information. There are some visuals, but not a lot. The text is large and easy to read. There is also a dictionary with many glossary terms, which would only be better if the terms were linked between the glossary and the other pages that use them.

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