1. The biggest dinosaur that scientists have discovered is called the Argentinosaurus. How much did it weigh?

A. About 2 tons (about the weight of a minivan)

B. About 5 tons (about the weight of a small truck)

C. About 15 tons (about the weight of a school bus)

D. About 60 tons (about the weight of four school buses)

2. In the late 1800s, a paleontologist named Othniel Marsh thought he had found a new dinosaur and called it the Brontosaurus. But really he had found an already identified dinosaur known as what?

A. Apatosaurus

B. Diplodocus

C. Stegasarus

D. Brachiosaurus

3. The following is a descendant of dinosaurs:

A. Crocodiles

B. Turtles

C. Birds

D. All of the above

4. Where did the T. rex roam when it lived about 65 million years ago?

A. Montana

B. Wyoming

C. Canada

D. All of the above

5. Dinosaurs lived on the planet for how long?

A. About 2 million years

B. About 20 million years

C. About 50 million years

D. About 160 million years

Answers

1. D. 2. A. 3. C. 4. D. 5. D.