Trilobites cover

Reading Metrics

Grade Level Middle Grades (MG 4-8)
Book Level 5.3
Points 0.5
Fiction/Nonfiction Nonfiction
Word Count 2103
Points per Word 0.000238
Page Count 32
Points per Page 0.015625

Description

This book explores trilobites, an extinct class of marine arthropods that inhabited Earth's oceans for nearly 300 million years roughly twice as long as the age of dinosaurs. It examines their physical characteristics, including their distinctive segmented exoskeletons and varied body shapes. The book also presents scientific theories about trilobite behavior, habitat preferences, and their eventual extinction.

Quick Summary

Travel back 250 million years to swim alongside creatures that outlived dinosaurs, dominated the seas for nearly 300 million years, and wore their skeletons on the outside like tiny armored tanks. Kids will love discovering weird trilobite facts like how they rolled into balls, had thousands of relatives spanning every ocean niche, and vanished in the greatest mass extinction in Earth's history. If your kid likes the prehistoric creature discoveries in Magic Tree House adventures or the dinosaur fascination of National Geographic Kids books, they'll be hooked on these ancient sea survivors. Perfect for curious readers ages 9 to 12 in grades 4 through 7 who devour quick nonfiction reads at a fifth grade reading level.