Earth's Changing Crust
by Rebecca Harman
Heinemann 2005
Great fit for 5th grade
Reading level and content both target 4th–8th grade · ages 9–14
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Genre
Themes
- earth science
- plate tectonics
- natural disasters
- change over time
- cause and effect
- scientific inquiry
- geology
About this book
This clear, photo-rich nonfiction book explains how Earth’s crust is formed and reshaped by powerful forces like plate tectonics, earthquakes, and volcanoes. Short chapters and diagrams help readers see how mountains rise, oceans spread, and land changes over time. It’s a solid fit for upper elementary and middle-grade students curious about geology or natural disasters. Kids enjoy the real-world examples, simple explanations, and striking images that make big science ideas easy to grasp.
Setting: Global look at Earth’s crust, including plate boundaries, mountains, and ocean ridges
Frequently Asked Questions
Is Earth's Changing Crust right for my child?
Yes — Earth's Changing Crust is a great fit for 5th grade. The reading level is AR 5.7, 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 earth science, plate tectonics, natural disasters.
How long does it take to read Earth's Changing Crust?
At a typical 5th grade reading pace, Earth's Changing Crust takes around 10m to finish. The book has 1,700 words. Slower or faster readers may vary significantly.
Does Earth's Changing Crust have an AR quiz?
Yes — Earth's Changing Crust 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 Earth's Changing Crust?
Earth's Changing Crust has an AR reading level of 5.7, 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.