C/W Unit 7 When Dinosaurs Ruled Quiz

Why do most scientists believe that dinosaurs became extinct?

• flooding

• climate change

• disease

Troodon had an unusually large what?

• brain

• neck

• stomach

What was T-rex probably not good at?

• smelling

• hunting

• chewing

What did paleontologists discover in the Mongolian desert in 1965?

• giant birds

• giant arms

• giant legs

Deinocheirus looked like an enormous ostrich. How much did it weigh?

• 60kg

• 600kg

• 6,000kg

How many years ago did dinosaurs become extinct?

• 6 million

• 66 million

• 166 million

How long could T-rex live?

• 10 years

• 20 years

• 30 years

Why is Cryolophosaurus also known as "Elvisaurus"?

• because it was discovered by a doctor called Dr. Elvis

• because it looks similar to the singer Elvis Presley

• because it could dance to rock music

How fast could T-rex move?

• as fast as a dog

• as fast as a cheetah

• as fast as an elephant

Nowadays, the ostrich is the world's largest bird. Where do ostriches live?

• Africa

• Asia

• Europe