The Secrets of Earth
by Emma Carlson-Berne
Capstone 2015
Great fit for 5th grade
Reading level and content both target 4th–8th grade · ages 9–14
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Genre
Themes
- scientific discovery
- curiosity
- astronomy
- space exploration
- Earth science
- technology and innovation
- history of science
About this book
This visually engaging nonfiction title explores Earth’s place in the solar system and how our understanding has grown from ancient astronomers to modern science. Readers learn about key discoveries, landmark space missions, and what scientists are studying today. Clear explanations, photos, and diagrams make complex ideas accessible. It’s a great pick for curious middle-grade readers who love space, science, and big questions about our planet.
Setting: our planet within the solar system; from ancient observatories to modern space missions
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Frequently Asked Questions
Is The Secrets of Earth right for my child?
Yes — The Secrets of Earth is a great fit for 5th grade. The reading level is AR 5.2, which is typical for 5th grade. The interest level is rated Middle Grades (4–8), meaning the themes and content are designed for ages 9–14 (4th–8th grade). Themes include scientific discovery, curiosity, astronomy.
How long does it take to read The Secrets of Earth?
At a typical 5th grade reading pace, The Secrets of Earth takes around 8m to finish. The book has 1,400 words. Slower or faster readers may vary significantly.
Does The Secrets of Earth have an AR quiz?
Yes — The Secrets of Earth has an AR quiz available, worth 0.5 points. Your child will need to take and pass the quiz through their school's Accelerated Reader program to earn credit. The quiz is typically 5–20 multiple choice questions about plot, characters, and setting.
What grade level is The Secrets of Earth?
The Secrets of Earth has an AR reading level of 5.2, which places it at a 5th grade reading difficulty. The interest level is rated Middle Grades (4–8) — this reflects the age-appropriateness of the content and themes, not just the reading difficulty. A strong younger reader may handle the words fine while the themes are aimed at an older audience, or vice versa.