Grades 1–4
Dinosaurs: True or False?
Eight facts about dinosaurs to mark true or false, then fix two false ones.
Science worksheet · Dinosaurs
How Long Were Dinosaurs?
Use the lengths of four dinosaurs to compare and subtract, then measure your classroom.
- Grade level
- Grades 2–4
- Time
- About 25 minutes
- Topic
- Dinosaurs
- Answer key
- Yes, page 2 of the PDF
- Kids practice
- Dinosaurs, Fossils, Comparing and measuring
What kids do
Printed on the sheet:
- About how long each dinosaur was, from nose to tail:
- Brachiosaurus: about 85 feet · Tyrannosaurus rex: about 40 feet · Triceratops: about 30 feet ·
- Velociraptor: about 6 feet
- Use the lengths to answer.
- 3. How much longer was T. rex than
- 4. How much longer was Brachiosaurus than
- 5. How many Velociraptors in a row would be as long as a Triceratops?
- 6. Measure your classroom. How long is it?
Teacher tip
Measure one dinosaur in the hallway with a tape measure. It is unforgettable.
How to use it
- Bring in a toy dinosaur and ask kids what clues tell us what it ate.
- Measure a dinosaur’s length in the hallway with string.
- Let partners compare answers and settle any differences with a book or a video.
Watch for
People and dinosaurs never lived at the same time.
Talk about it
- Which dinosaur would you want to meet?
- What evidence helped you choose your answer?
Take it further
Hold a class fossil dig with plaster and small toys.
US Letter, prints well in black and white. Free for home and classroom use: print as many copies as you need.
More dinosaurs worksheets
Grades 2–4
My Dinosaur Report
A research template for one dinosaur: a drawing, what its name means, when it lived, what it ate, how big it was and fun facts.
Grades 1–3
Plant Eater or Meat Eater?
Sort ten dinosaurs into plant eaters and meat eaters, with a clue about their teeth.
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