Bigger Than a Dinosaur: teacher key

The Biggest Animals, grade 5 edition, written for 5th grade. How the blue whale compares with dinosaurs, whales, squid and sharks.

Read the book. Print this page for the key.

Questions and answers

As of November 2026, what is the biggest animal that has ever lived?
- Patagotitan
- The blue whale (answer)
- The sperm whale
How do baleen plates help a blue whale?
- They crush bones
- They hold its eyes
- They trap krill (answer)
About how long can a male sperm whale be?
- 52 feet (answer)
- 5 feet
- 500 feet
Why is a giant squid's length misleading?
- It is measured in water
- It is always small
- Much of it is arms and tentacles (answer)
How does a whale shark feed?
- It chews bones
- It filter-feeds (answer)
- It hunts whales