Measuring Giants: teacher key

The Biggest Animals, grade 7 edition, written for 7th grade. Length, weight, height and wingspan: why the biggest animal depends on what you measure.

Read the book. Print this page for the key.

Questions and answers

How heavy is a typical adult blue whale?
- 1 to 2 tonnes
- 72 to 135 tonnes (answer)
- 500 tonnes
Where do the biggest blue whales live?
- In lakes
- Near the equator only
- Near Antarctica (answer)
What makes the giraffe special?
- It is the tallest animal (answer)
- It is the heaviest
- It is the longest
Why might one source call the albatross the biggest bird, and another the ostrich?
- One source is wrong about birds
- Albatrosses cannot fly
- They measure wingspan and size differently (answer)
What does the word cartilage name?
- A kind of sand
- Thick flexible skeleton material (answer)
- A sea plant