Heavier Than Dinosaurs: teacher key

The Biggest Animals, grade 3 edition, written for 3rd grade. Why the blue whale wins, and how it stacks up against land, sea and sky.

Read the book. Print this page for the key.

Questions and answers

Which is the biggest animal that has ever lived, as of November 2026?
- The elephant
- The blue whale (answer)
- A dinosaur
What do baleen plates do?
- Crack shells
- Catch birds
- Trap krill (answer)
What can an ostrich do instead of fly?
- Run (answer)
- Swim
- Dig
Why is the whale shark not a whale?
- It lives on land
- It is a bird
- It is a fish (answer)
What does the word stride mean?
- A loud sound
- A long step (answer)
- A tiny egg