125 Animals That Changed the World
by Brenna Maloney
National Geographic Children's Books 2019
Great fit for 6th grade
Reading level and content both target 4th–8th grade · ages 9–14
Themes include environmental stewardship
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Genre
Themes
- animal heroes
- human-animal bond
- innovation and discovery
- compassion and empathy
- social change
- environmental stewardship
- perseverance
- global history
About this book
This National Geographic Kids collection spotlights 125 animals—from pets to wild creatures—whose actions shaped history, inspired change, or helped people in surprising ways. Short, high-interest stories pair with vibrant photos to make bite-size reading perfect for curious middle-grade readers. Kids will discover how animals have aided scientific breakthroughs, sparked movements, and shown incredible bravery. A great pick for animal lovers and nonfiction fans who enjoy fast facts and true stories.
Setting: Real-world locations across different time periods around the globe
Frequently Asked Questions
Is 125 Animals That Changed the World right for my child?
Yes — 125 Animals That Changed the World is a great fit for 6th grade. The reading level is AR 6.6, which is typical for 6th 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 animal heroes, human-animal bond, innovation and discovery.
How long does it take to read 125 Animals That Changed the World?
At a typical 6th grade reading pace, 125 Animals That Changed the World takes around 1.1h to finish. The book has 11,000 words. Slower or faster readers may vary significantly.
Does 125 Animals That Changed the World have an AR quiz?
Yes — 125 Animals That Changed the World has an AR quiz available, worth 1 point. 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 125 Animals That Changed the World?
125 Animals That Changed the World has an AR reading level of 6.6, which places it at a 6th 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.