PLANT-EATERS
OF THE
DINOSAUR WORLD
Welcome to the Plant-Eaters of the Dinosaur Age worksheet!
Here you’ll practice new dinosaur words, test what you’ve learned, and discover even more amazing facts. Let’s get started!
How to Read Some of the Words in the Book
Dinosaur Names
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Alamosaurus → al-uh-moh-SOR-us
A massive plant-eating dinosaur that lived near the end of the Age of Dinosaurs. -
Ankylosaurus → ang-KYE-loh-SOR-us
A heavily armored plant-eater with a powerful tail club used for defense. -
Apatosaurus → uh-PAT-oh-SOR-us
A long-necked plant-eater that used its size to stay safe from predators. -
Argentinosaurus → ar-jen-TEE-noh-SOR-us
One of the largest plant-eating dinosaurs ever discovered. -
Centrosaurus → sen-troh-SOR-us
A horned plant-eater that lived in herds and used its horns for protection. -
Diplodocus → dih-PLOD-oh-kus
A long, slender plant-eater with a whip-like tail. -
Euoplocephalus → yoo-OH-ploh-SEF-uh-lus
An armored dinosaur with thick bony plates and a tail club. -
Gastonia → gas-TOH-nee-uh
A heavily armored plant-eater covered in sharp spikes. -
Hypsilophodon → hip-sih-LOF-oh-don
A small, fast plant-eating dinosaur that could run quickly to escape danger. -
Kentrosaurus → ken-troh-SOR-us
A spiky plant-eater related to Stegosaurus with sharp spikes on its tail. -
Maiasaura → MY-uh-SOR-uh
A plant-eater known for caring for its young and living in groups. -
Pachycephalosaurus → pak-ee-SEF-uh-loh-SOR-us
A plant-eater with a thick, domed skull used in head-butting displays. -
Parasaurolophus → pair-uh-SOR-oh-LOF-us
A plant-eater with a long crest on its head, possibly used for sounds or displays. -
Sauropelta → sore-oh-PEL-tuh
An armored dinosaur with long spikes that protected it from predators. -
Shunosaurus → SHOO-noh-SOR-us
A smaller sauropod with a club-like tail used for defense. -
Stegosaurus → STEG-oh-SOR-us
A plant-eater with large plates on its back and a spiked tail called a thagomizer. -
Tarchia → TAR-kee-uh
A tough armored dinosaur built low to the ground for strong defense. -
Therizinosaurus → ther-ih-ZIN-oh-SOR-us
A strange-looking plant-eater with extremely long claws. -
Triceratops → try-SAIR-uh-tops
A powerful plant-eater with three horns and a large protective frill. -
Tyrannosaurus rex → tih-RAN-oh-SOR-us REX
A famous meat-eating dinosaur that hunted large plant-eaters.
Dinosaur Families / Groups
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Ankylosaurids → ang-KYE-loh-SOR-ids
Armored plant-eating dinosaurs with thick bony plates and powerful tail clubs. -
Ceratopsians → sair-uh-TOP-see-enz
Horned plant-eaters with beaks, frills, and strong defenses. -
Giant sauropods / Titanosaurs → TIE-tan-oh-SORZ
Enormous long-necked plant-eaters, including some of the largest dinosaurs ever. -
Hadrosaurs → HAD-roh-SORZ
Plant-eaters often called “duck-billed dinosaurs” that lived and moved in herds. -
Nodosaurids → NOH-doh-SOR-ids
Heavily armored plant-eaters with spikes but no tail clubs. -
Sauropods → SOR-oh-pods
Large plant-eaters with long necks and tails that walked on four legs. -
Stegosaurs → STEG-oh-SORZ
Plant-eaters with bony plates on their backs and spiked tails for defense. -
Titanosaurs → TIE-tan-oh-SORZ
A group of giant sauropods that lived late in the Age of Dinosaurs.
Science Words
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Cretaceous → krih-TAY-shus
The last part of the Age of Dinosaurs, when many famous dinosaurs lived. -
Ecosystem → EE-koh-sis-tem
All the plants and animals living together and depending on each other. -
Extinct → ik-STINKT
A word used when a kind of animal or plant no longer exists. -
Fossil → FOS-uhl
The remains or traces of plants or animals preserved in rock. -
Frill → FRILL
A bony shield on the head of some dinosaurs that helped with protection or display. -
Herbivore → HER-bih-vore
An animal that eats plants instead of meat. -
Jurassic → juh-RASS-ik
A time in the Age of Dinosaurs when many large dinosaurs lived. -
Osteoderms → OSS-tee-oh-dermz
Thick bony plates in the skin that formed armor on some dinosaurs. -
Thagomizer → THAG-oh-my-zer
The group of sharp spikes at the end of a Stegosaurus’s tail used for defense.
True or False
Read each sentence and choose True or False.
1. A plant-eater is also called a herbivore.
2. Plant-eating dinosaurs survived by hunting other animals.
3. Many plant-eaters lived in herds to help protect each other.
4. Plants have more energy than meat, so plant-eaters needed to eat less.
5. Thick bony plates called osteoderms helped protect some dinosaurs.
6. Without plant-eaters, predators could not survive.
Put in Order
Number the steps 1–4 to show how plant-eaters helped keep the dinosaur world balanced.
A. Predators depend on plant-eaters for food.
B. The ecosystem stays healthy and balanced.
C. Plant-eaters eat large amounts of plants.
D. Plant-eaters shape forests, plains, and riverbanks.
Pick the Right Word
Choose the correct word from the box and write it in the blank boxes.
Word Bank:
thagomizer - predator - ecosystem - herbivore - osteoderm - herd
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A dinosaur that eats plants is called a ___________.
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A group of dinosaurs living and moving together is a ___________.
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Thick bony plates that protect a dinosaur’s body are called ___________.
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An animal that hunts other animals for food is a ___________.
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Plants, plant-eaters, and predators depending on each other form an _________.
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The spiked tail weapon of Stegosaurus is called a ___________.
Glossary Match
Match each definition to the correct word.
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An animal that eats plants
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An animal that hunts other animals for food
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The remains or footprints of plants or animals preserved in rock
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When the weight is close to the ground, making an animal harder to tip over
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The spiked tail weapon of a Stegosaurus
Identify the Defense
Look at each picture. Choose the correct defense.
Centrosaurus
Parasaurolophus
Sauropelta
Gastonia
Life Check
Choose the correct answer.
Q1. Plant-eating dinosaurs are called:
Q2. Living in herds helped plant-eaters by:
Q3. A Stegosaurus used its tail spikes (thagomizer) for:
Q4. A dinosaur like Argentinosaurus was hard to hunt mainly because of its:
Did you have fun?
Then, don’t forget to check out the rest of the Dinosaur Series!