How did dinosaurs go extinct?

What theory is the most well known?

• climate change

• a meteor hit

• mammals ate dinosaurs' eggs

• their brains were too small

Which is not a descendant of dinosaurs?

• Snakes

• Crocodiles

• Cow

• Birds

What era did dinosaurs die in?

• Beginning of the Mesozoic Era

• End of the Mesozoic Era

• Beginning of the Cretaceous Era

• End of the Cretaceous Era

What do you call scientists that study dinosaurs?

• archaeologists

• paleontologists

• epidemiologists

• cytologist

How many different kinds of dinosaurs were there?

• 85

• 125

• 335

• 365

Why do paleontologists think that some dinosaurs lived longer?

• They were smaller

• They were good hiders

• They were smarter than most dinosaurs

• They could fly

Are there descendants of dinosaurs?

• no

• yup

What kind of dinosaur is this?

• Minmi

• Stegosaurus

• Gorgosaurus

• Tyrannosaurus Rex

Are dinosaurs warm or cold blooded?

• cold

• warm

How many years did dinosaurs roam the earth?

• about 145 mil. years

• about 165 mil. years

• about 186 mil. years

• about 7 mil. years